Chapter 1: Whole Numbers to 10,000
Learn Grade 4 mathematics with very-beginner explanations, original worked examples, practice, reasoning, and review.
Chapter Overview
This chapter teaches Whole Numbers to 10,000 in original, simple language with step-by-step reasoning, worked examples, practice exercises, common mistakes, and review questions.
1.1 Whole numbers to 10,000
Whole numbers to 10,000 is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense. Work one step at a time, use a model or number sentence when useful, and check whether the answer is reasonable.
Beginner Explanation
First identify what is given and what must be found. Then choose a strategy, show the steps clearly, and check the final answer.
10 Worked Examples with Answers
Worked Example 1
Problem: Create a simple Grade 4 example about Whole numbers to 10,000 using the numbers 14 and 3.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Whole numbers to 10,000.
Worked Example 2
Problem: Create a simple Grade 4 example about Whole numbers to 10,000 using the numbers 7 and 20.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Whole numbers to 10,000.
Worked Example 3
Problem: Create a simple Grade 4 example about Whole numbers to 10,000 using the numbers 17 and 19.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Whole numbers to 10,000.
Worked Example 4
Problem: Create a simple Grade 4 example about Whole numbers to 10,000 using the numbers 7 and 6.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Whole numbers to 10,000.
Worked Example 5
Problem: Create a simple Grade 4 example about Whole numbers to 10,000 using the numbers 4 and 15.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Whole numbers to 10,000.
Worked Example 6
Problem: Create a simple Grade 4 example about Whole numbers to 10,000 using the numbers 19 and 13.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Whole numbers to 10,000.
Worked Example 7
Problem: Create a simple Grade 4 example about Whole numbers to 10,000 using the numbers 6 and 5.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Whole numbers to 10,000.
Worked Example 8
Problem: Create a simple Grade 4 example about Whole numbers to 10,000 using the numbers 15 and 13.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Whole numbers to 10,000.
Worked Example 9
Problem: Create a simple Grade 4 example about Whole numbers to 10,000 using the numbers 18 and 3.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Whole numbers to 10,000.
Worked Example 10
Problem: Create a simple Grade 4 example about Whole numbers to 10,000 using the numbers 16 and 17.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Whole numbers to 10,000.
Practice Exercise
Create and solve one new example of Whole numbers to 10,000. Show the steps and explain how you checked it.
Common Mistake
Do not rush into a calculation before understanding the question. Check place values, labels, units, and whether your answer fits the situation.
1.2 Reading four- and five-digit numbers
Place value tells how much a digit is worth because of its position in the number. Work one step at a time, use a model or number sentence when useful, and check whether the answer is reasonable.
Beginner Explanation
First identify what is given and what must be found. Then choose a strategy, show the steps clearly, and check the final answer.
10 Worked Examples with Answers
Worked Example 1
Problem: In 5,324, what is the value of the digit 4?
- Find the digit's place.
- Multiply the digit by that place value.
Very beginner explanation: A digit's value depends on its location.
Answer: 4
Worked Example 2
Problem: In 2,922, what is the value of the digit 2?
- Find the digit's place.
- Multiply the digit by that place value.
Very beginner explanation: A digit's value depends on its location.
Answer: 20
Worked Example 3
Problem: In 8,390, what is the value of the digit 0?
- Find the digit's place.
- Multiply the digit by that place value.
Very beginner explanation: A digit's value depends on its location.
Answer: 0
Worked Example 4
Problem: In 5,792, what is the value of the digit 7?
- Find the digit's place.
- Multiply the digit by that place value.
Very beginner explanation: A digit's value depends on its location.
Answer: 700
Worked Example 5
Problem: In 3,299, what is the value of the digit 9?
- Find the digit's place.
- Multiply the digit by that place value.
Very beginner explanation: A digit's value depends on its location.
Answer: 9
Worked Example 6
Problem: In 3,167, what is the value of the digit 3?
- Find the digit's place.
- Multiply the digit by that place value.
Very beginner explanation: A digit's value depends on its location.
Answer: 3,000
Worked Example 7
Problem: In 4,957, what is the value of the digit 5?
- Find the digit's place.
- Multiply the digit by that place value.
Very beginner explanation: A digit's value depends on its location.
Answer: 50
Worked Example 8
Problem: In 4,100, what is the value of the digit 4?
- Find the digit's place.
- Multiply the digit by that place value.
Very beginner explanation: A digit's value depends on its location.
Answer: 4,000
Worked Example 9
Problem: In 5,426, what is the value of the digit 2?
- Find the digit's place.
- Multiply the digit by that place value.
Very beginner explanation: A digit's value depends on its location.
Answer: 20
Worked Example 10
Problem: In 5,148, what is the value of the digit 4?
- Find the digit's place.
- Multiply the digit by that place value.
Very beginner explanation: A digit's value depends on its location.
Answer: 40
Practice Exercise
Create and solve one new example of Reading four- and five-digit numbers. Show the steps and explain how you checked it.
Common Mistake
Do not rush into a calculation before understanding the question. Check place values, labels, units, and whether your answer fits the situation.
1.3 Writing numbers in standard form
Writing numbers in standard form is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense. Work one step at a time, use a model or number sentence when useful, and check whether the answer is reasonable.
Beginner Explanation
First identify what is given and what must be found. Then choose a strategy, show the steps clearly, and check the final answer.
10 Worked Examples with Answers
Worked Example 1
Problem: Create a simple Grade 4 example about Writing numbers in standard form using the numbers 13 and 17.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Writing numbers in standard form.
Worked Example 2
Problem: Create a simple Grade 4 example about Writing numbers in standard form using the numbers 16 and 10.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Writing numbers in standard form.
Worked Example 3
Problem: Create a simple Grade 4 example about Writing numbers in standard form using the numbers 4 and 11.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Writing numbers in standard form.
Worked Example 4
Problem: Create a simple Grade 4 example about Writing numbers in standard form using the numbers 2 and 18.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Writing numbers in standard form.
Worked Example 5
Problem: Create a simple Grade 4 example about Writing numbers in standard form using the numbers 16 and 2.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Writing numbers in standard form.
Worked Example 6
Problem: Create a simple Grade 4 example about Writing numbers in standard form using the numbers 14 and 19.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Writing numbers in standard form.
Worked Example 7
Problem: Create a simple Grade 4 example about Writing numbers in standard form using the numbers 8 and 19.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Writing numbers in standard form.
Worked Example 8
Problem: Create a simple Grade 4 example about Writing numbers in standard form using the numbers 5 and 13.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Writing numbers in standard form.
Worked Example 9
Problem: Create a simple Grade 4 example about Writing numbers in standard form using the numbers 5 and 19.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Writing numbers in standard form.
Worked Example 10
Problem: Create a simple Grade 4 example about Writing numbers in standard form using the numbers 11 and 17.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Writing numbers in standard form.
Practice Exercise
Create and solve one new example of Writing numbers in standard form. Show the steps and explain how you checked it.
Common Mistake
Do not rush into a calculation before understanding the question. Check place values, labels, units, and whether your answer fits the situation.
1.4 Writing numbers in word form
Writing numbers in word form is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense. Work one step at a time, use a model or number sentence when useful, and check whether the answer is reasonable.
Beginner Explanation
First identify what is given and what must be found. Then choose a strategy, show the steps clearly, and check the final answer.
10 Worked Examples with Answers
Worked Example 1
Problem: Create a simple Grade 4 example about Writing numbers in word form using the numbers 12 and 16.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Writing numbers in word form.
Worked Example 2
Problem: Create a simple Grade 4 example about Writing numbers in word form using the numbers 10 and 19.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Writing numbers in word form.
Worked Example 3
Problem: Create a simple Grade 4 example about Writing numbers in word form using the numbers 16 and 13.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Writing numbers in word form.
Worked Example 4
Problem: Create a simple Grade 4 example about Writing numbers in word form using the numbers 14 and 4.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Writing numbers in word form.
Worked Example 5
Problem: Create a simple Grade 4 example about Writing numbers in word form using the numbers 8 and 16.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Writing numbers in word form.
Worked Example 6
Problem: Create a simple Grade 4 example about Writing numbers in word form using the numbers 9 and 6.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Writing numbers in word form.
Worked Example 7
Problem: Create a simple Grade 4 example about Writing numbers in word form using the numbers 19 and 18.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Writing numbers in word form.
Worked Example 8
Problem: Create a simple Grade 4 example about Writing numbers in word form using the numbers 7 and 8.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Writing numbers in word form.
Worked Example 9
Problem: Create a simple Grade 4 example about Writing numbers in word form using the numbers 4 and 13.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Writing numbers in word form.
Worked Example 10
Problem: Create a simple Grade 4 example about Writing numbers in word form using the numbers 14 and 3.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Writing numbers in word form.
Practice Exercise
Create and solve one new example of Writing numbers in word form. Show the steps and explain how you checked it.
Common Mistake
Do not rush into a calculation before understanding the question. Check place values, labels, units, and whether your answer fits the situation.
1.5 Place values from ones to ten-thousands
Financial literacy helps compare choices, understand payments, protect information, and judge whether a purchase gives reasonable value. Work one step at a time, use a model or number sentence when useful, and check whether the answer is reasonable.
Beginner Explanation
First identify what is given and what must be found. Then choose a strategy, show the steps clearly, and check the final answer.
10 Worked Examples with Answers
Worked Example 1
Problem: Option A costs $7 for 1 items. Option B costs $9 for 2 items. Which has the lower cost per item?
- Divide each price by its number of items.
- Compare the two costs per item.
Very beginner explanation: Value comparisons should compare equivalent quantities.
Answer: Option B
Worked Example 2
Problem: Option A costs $3 for 1 items. Option B costs $10 for 5 items. Which has the lower cost per item?
- Divide each price by its number of items.
- Compare the two costs per item.
Very beginner explanation: Value comparisons should compare equivalent quantities.
Answer: Option B
Worked Example 3
Problem: Option A costs $6 for 5 items. Option B costs $7 for 2 items. Which has the lower cost per item?
- Divide each price by its number of items.
- Compare the two costs per item.
Very beginner explanation: Value comparisons should compare equivalent quantities.
Answer: Option A
Worked Example 4
Problem: Option A costs $9 for 4 items. Option B costs $12 for 2 items. Which has the lower cost per item?
- Divide each price by its number of items.
- Compare the two costs per item.
Very beginner explanation: Value comparisons should compare equivalent quantities.
Answer: Option A
Worked Example 5
Problem: Option A costs $3 for 2 items. Option B costs $6 for 4 items. Which has the lower cost per item?
- Divide each price by its number of items.
- Compare the two costs per item.
Very beginner explanation: Value comparisons should compare equivalent quantities.
Answer: Same value
Worked Example 6
Problem: Option A costs $3 for 1 items. Option B costs $7 for 2 items. Which has the lower cost per item?
- Divide each price by its number of items.
- Compare the two costs per item.
Very beginner explanation: Value comparisons should compare equivalent quantities.
Answer: Option A
Worked Example 7
Problem: Option A costs $11 for 2 items. Option B costs $5 for 1 items. Which has the lower cost per item?
- Divide each price by its number of items.
- Compare the two costs per item.
Very beginner explanation: Value comparisons should compare equivalent quantities.
Answer: Option B
Worked Example 8
Problem: Option A costs $7 for 5 items. Option B costs $12 for 3 items. Which has the lower cost per item?
- Divide each price by its number of items.
- Compare the two costs per item.
Very beginner explanation: Value comparisons should compare equivalent quantities.
Answer: Option A
Worked Example 9
Problem: Option A costs $8 for 4 items. Option B costs $10 for 3 items. Which has the lower cost per item?
- Divide each price by its number of items.
- Compare the two costs per item.
Very beginner explanation: Value comparisons should compare equivalent quantities.
Answer: Option A
Worked Example 10
Problem: Option A costs $12 for 1 items. Option B costs $4 for 1 items. Which has the lower cost per item?
- Divide each price by its number of items.
- Compare the two costs per item.
Very beginner explanation: Value comparisons should compare equivalent quantities.
Answer: Option B
Practice Exercise
Create and solve one new example of Place values from ones to ten-thousands. Show the steps and explain how you checked it.
Common Mistake
Do not rush into a calculation before understanding the question. Check place values, labels, units, and whether your answer fits the situation.
1.6 Representing numbers with place-value models
Data are collected to answer questions. Organize them clearly, choose a suitable display, and explain what the evidence shows. Work one step at a time, use a model or number sentence when useful, and check whether the answer is reasonable.
Beginner Explanation
First identify what is given and what must be found. Then choose a strategy, show the steps clearly, and check the final answer.
10 Worked Examples with Answers
Worked Example 1
Problem: A data set is [12, 5, 3, 2, 10]. What is the greatest value?
- Read all the values.
- Choose the largest number.
Very beginner explanation: Data questions should be answered from the recorded values or display.
Answer: 12
Worked Example 2
Problem: A data set is [10, 3, 4, 5, 6]. What is the greatest value?
- Read all the values.
- Choose the largest number.
Very beginner explanation: Data questions should be answered from the recorded values or display.
Answer: 10
Worked Example 3
Problem: A data set is [8, 2, 15, 9, 4]. What is the greatest value?
- Read all the values.
- Choose the largest number.
Very beginner explanation: Data questions should be answered from the recorded values or display.
Answer: 15
Worked Example 4
Problem: A data set is [9, 9, 5, 13, 4]. What is the greatest value?
- Read all the values.
- Choose the largest number.
Very beginner explanation: Data questions should be answered from the recorded values or display.
Answer: 13
Worked Example 5
Problem: A data set is [14, 5, 8, 6, 2]. What is the greatest value?
- Read all the values.
- Choose the largest number.
Very beginner explanation: Data questions should be answered from the recorded values or display.
Answer: 14
Worked Example 6
Problem: A data set is [8, 13, 4, 6, 13]. What is the greatest value?
- Read all the values.
- Choose the largest number.
Very beginner explanation: Data questions should be answered from the recorded values or display.
Answer: 13
Worked Example 7
Problem: A data set is [11, 14, 12, 8, 6]. What is the greatest value?
- Read all the values.
- Choose the largest number.
Very beginner explanation: Data questions should be answered from the recorded values or display.
Answer: 14
Worked Example 8
Problem: A data set is [4, 3, 2, 8, 2]. What is the greatest value?
- Read all the values.
- Choose the largest number.
Very beginner explanation: Data questions should be answered from the recorded values or display.
Answer: 8
Worked Example 9
Problem: A data set is [4, 8, 5, 13, 14]. What is the greatest value?
- Read all the values.
- Choose the largest number.
Very beginner explanation: Data questions should be answered from the recorded values or display.
Answer: 14
Worked Example 10
Problem: A data set is [2, 14, 6, 7, 8]. What is the greatest value?
- Read all the values.
- Choose the largest number.
Very beginner explanation: Data questions should be answered from the recorded values or display.
Answer: 14
Practice Exercise
Create and solve one new example of Representing numbers with place-value models. Show the steps and explain how you checked it.
Common Mistake
Do not rush into a calculation before understanding the question. Check place values, labels, units, and whether your answer fits the situation.
1.7 Composing whole numbers
Composing whole numbers is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense. Work one step at a time, use a model or number sentence when useful, and check whether the answer is reasonable.
Beginner Explanation
First identify what is given and what must be found. Then choose a strategy, show the steps clearly, and check the final answer.
10 Worked Examples with Answers
Worked Example 1
Problem: Create a simple Grade 4 example about Composing whole numbers using the numbers 8 and 17.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Composing whole numbers.
Worked Example 2
Problem: Create a simple Grade 4 example about Composing whole numbers using the numbers 6 and 3.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Composing whole numbers.
Worked Example 3
Problem: Create a simple Grade 4 example about Composing whole numbers using the numbers 15 and 9.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Composing whole numbers.
Worked Example 4
Problem: Create a simple Grade 4 example about Composing whole numbers using the numbers 18 and 12.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Composing whole numbers.
Worked Example 5
Problem: Create a simple Grade 4 example about Composing whole numbers using the numbers 18 and 20.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Composing whole numbers.
Worked Example 6
Problem: Create a simple Grade 4 example about Composing whole numbers using the numbers 16 and 4.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Composing whole numbers.
Worked Example 7
Problem: Create a simple Grade 4 example about Composing whole numbers using the numbers 4 and 14.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Composing whole numbers.
Worked Example 8
Problem: Create a simple Grade 4 example about Composing whole numbers using the numbers 17 and 5.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Composing whole numbers.
Worked Example 9
Problem: Create a simple Grade 4 example about Composing whole numbers using the numbers 12 and 6.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Composing whole numbers.
Worked Example 10
Problem: Create a simple Grade 4 example about Composing whole numbers using the numbers 11 and 2.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Composing whole numbers.
Practice Exercise
Create and solve one new example of Composing whole numbers. Show the steps and explain how you checked it.
Common Mistake
Do not rush into a calculation before understanding the question. Check place values, labels, units, and whether your answer fits the situation.
1.8 Decomposing whole numbers
Decomposing whole numbers is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense. Work one step at a time, use a model or number sentence when useful, and check whether the answer is reasonable.
Beginner Explanation
First identify what is given and what must be found. Then choose a strategy, show the steps clearly, and check the final answer.
10 Worked Examples with Answers
Worked Example 1
Problem: Create a simple Grade 4 example about Decomposing whole numbers using the numbers 18 and 20.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Decomposing whole numbers.
Worked Example 2
Problem: Create a simple Grade 4 example about Decomposing whole numbers using the numbers 19 and 3.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Decomposing whole numbers.
Worked Example 3
Problem: Create a simple Grade 4 example about Decomposing whole numbers using the numbers 15 and 6.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Decomposing whole numbers.
Worked Example 4
Problem: Create a simple Grade 4 example about Decomposing whole numbers using the numbers 4 and 18.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Decomposing whole numbers.
Worked Example 5
Problem: Create a simple Grade 4 example about Decomposing whole numbers using the numbers 12 and 4.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Decomposing whole numbers.
Worked Example 6
Problem: Create a simple Grade 4 example about Decomposing whole numbers using the numbers 10 and 5.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Decomposing whole numbers.
Worked Example 7
Problem: Create a simple Grade 4 example about Decomposing whole numbers using the numbers 3 and 13.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Decomposing whole numbers.
Worked Example 8
Problem: Create a simple Grade 4 example about Decomposing whole numbers using the numbers 2 and 2.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Decomposing whole numbers.
Worked Example 9
Problem: Create a simple Grade 4 example about Decomposing whole numbers using the numbers 3 and 20.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Decomposing whole numbers.
Worked Example 10
Problem: Create a simple Grade 4 example about Decomposing whole numbers using the numbers 10 and 15.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Decomposing whole numbers.
Practice Exercise
Create and solve one new example of Decomposing whole numbers. Show the steps and explain how you checked it.
Common Mistake
Do not rush into a calculation before understanding the question. Check place values, labels, units, and whether your answer fits the situation.
1.9 Expanded form
Expanded form is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense. Work one step at a time, use a model or number sentence when useful, and check whether the answer is reasonable.
Beginner Explanation
First identify what is given and what must be found. Then choose a strategy, show the steps clearly, and check the final answer.
10 Worked Examples with Answers
Worked Example 1
Problem: Create a simple Grade 4 example about Expanded form using the numbers 16 and 13.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Expanded form.
Worked Example 2
Problem: Create a simple Grade 4 example about Expanded form using the numbers 13 and 12.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Expanded form.
Worked Example 3
Problem: Create a simple Grade 4 example about Expanded form using the numbers 19 and 13.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Expanded form.
Worked Example 4
Problem: Create a simple Grade 4 example about Expanded form using the numbers 18 and 19.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Expanded form.
Worked Example 5
Problem: Create a simple Grade 4 example about Expanded form using the numbers 19 and 4.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Expanded form.
Worked Example 6
Problem: Create a simple Grade 4 example about Expanded form using the numbers 6 and 19.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Expanded form.
Worked Example 7
Problem: Create a simple Grade 4 example about Expanded form using the numbers 3 and 6.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Expanded form.
Worked Example 8
Problem: Create a simple Grade 4 example about Expanded form using the numbers 6 and 10.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Expanded form.
Worked Example 9
Problem: Create a simple Grade 4 example about Expanded form using the numbers 19 and 10.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Expanded form.
Worked Example 10
Problem: Create a simple Grade 4 example about Expanded form using the numbers 11 and 15.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Expanded form.
Practice Exercise
Create and solve one new example of Expanded form. Show the steps and explain how you checked it.
Common Mistake
Do not rush into a calculation before understanding the question. Check place values, labels, units, and whether your answer fits the situation.
1.10 Flexible decomposition
Flexible decomposition is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense. Work one step at a time, use a model or number sentence when useful, and check whether the answer is reasonable.
Beginner Explanation
First identify what is given and what must be found. Then choose a strategy, show the steps clearly, and check the final answer.
10 Worked Examples with Answers
Worked Example 1
Problem: Create a simple Grade 4 example about Flexible decomposition using the numbers 19 and 19.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Flexible decomposition.
Worked Example 2
Problem: Create a simple Grade 4 example about Flexible decomposition using the numbers 11 and 6.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Flexible decomposition.
Worked Example 3
Problem: Create a simple Grade 4 example about Flexible decomposition using the numbers 13 and 5.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Flexible decomposition.
Worked Example 4
Problem: Create a simple Grade 4 example about Flexible decomposition using the numbers 3 and 18.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Flexible decomposition.
Worked Example 5
Problem: Create a simple Grade 4 example about Flexible decomposition using the numbers 19 and 12.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Flexible decomposition.
Worked Example 6
Problem: Create a simple Grade 4 example about Flexible decomposition using the numbers 11 and 19.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Flexible decomposition.
Worked Example 7
Problem: Create a simple Grade 4 example about Flexible decomposition using the numbers 20 and 12.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Flexible decomposition.
Worked Example 8
Problem: Create a simple Grade 4 example about Flexible decomposition using the numbers 10 and 5.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Flexible decomposition.
Worked Example 9
Problem: Create a simple Grade 4 example about Flexible decomposition using the numbers 15 and 20.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Flexible decomposition.
Worked Example 10
Problem: Create a simple Grade 4 example about Flexible decomposition using the numbers 9 and 15.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Flexible decomposition.
Practice Exercise
Create and solve one new example of Flexible decomposition. Show the steps and explain how you checked it.
Common Mistake
Do not rush into a calculation before understanding the question. Check place values, labels, units, and whether your answer fits the situation.
1.11 Using zero as a place holder
Using zero as a place holder is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense. Work one step at a time, use a model or number sentence when useful, and check whether the answer is reasonable.
Beginner Explanation
First identify what is given and what must be found. Then choose a strategy, show the steps clearly, and check the final answer.
10 Worked Examples with Answers
Worked Example 1
Problem: Create a simple Grade 4 example about Using zero as a place holder using the numbers 20 and 14.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Using zero as a place holder.
Worked Example 2
Problem: Create a simple Grade 4 example about Using zero as a place holder using the numbers 16 and 14.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Using zero as a place holder.
Worked Example 3
Problem: Create a simple Grade 4 example about Using zero as a place holder using the numbers 16 and 18.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Using zero as a place holder.
Worked Example 4
Problem: Create a simple Grade 4 example about Using zero as a place holder using the numbers 11 and 20.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Using zero as a place holder.
Worked Example 5
Problem: Create a simple Grade 4 example about Using zero as a place holder using the numbers 12 and 19.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Using zero as a place holder.
Worked Example 6
Problem: Create a simple Grade 4 example about Using zero as a place holder using the numbers 10 and 10.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Using zero as a place holder.
Worked Example 7
Problem: Create a simple Grade 4 example about Using zero as a place holder using the numbers 19 and 5.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Using zero as a place holder.
Worked Example 8
Problem: Create a simple Grade 4 example about Using zero as a place holder using the numbers 3 and 5.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Using zero as a place holder.
Worked Example 9
Problem: Create a simple Grade 4 example about Using zero as a place holder using the numbers 13 and 4.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Using zero as a place holder.
Worked Example 10
Problem: Create a simple Grade 4 example about Using zero as a place holder using the numbers 16 and 9.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Using zero as a place holder.
Practice Exercise
Create and solve one new example of Using zero as a place holder. Show the steps and explain how you checked it.
Common Mistake
Do not rush into a calculation before understanding the question. Check place values, labels, units, and whether your answer fits the situation.
1.12 Whole numbers in everyday situations
Whole numbers in everyday situations is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense. Work one step at a time, use a model or number sentence when useful, and check whether the answer is reasonable.
Beginner Explanation
First identify what is given and what must be found. Then choose a strategy, show the steps clearly, and check the final answer.
10 Worked Examples with Answers
Worked Example 1
Problem: Create a simple Grade 4 example about Whole numbers in everyday situations using the numbers 15 and 14.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Whole numbers in everyday situations.
Worked Example 2
Problem: Create a simple Grade 4 example about Whole numbers in everyday situations using the numbers 9 and 15.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Whole numbers in everyday situations.
Worked Example 3
Problem: Create a simple Grade 4 example about Whole numbers in everyday situations using the numbers 20 and 10.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Whole numbers in everyday situations.
Worked Example 4
Problem: Create a simple Grade 4 example about Whole numbers in everyday situations using the numbers 10 and 13.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Whole numbers in everyday situations.
Worked Example 5
Problem: Create a simple Grade 4 example about Whole numbers in everyday situations using the numbers 17 and 20.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Whole numbers in everyday situations.
Worked Example 6
Problem: Create a simple Grade 4 example about Whole numbers in everyday situations using the numbers 4 and 20.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Whole numbers in everyday situations.
Worked Example 7
Problem: Create a simple Grade 4 example about Whole numbers in everyday situations using the numbers 12 and 18.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Whole numbers in everyday situations.
Worked Example 8
Problem: Create a simple Grade 4 example about Whole numbers in everyday situations using the numbers 18 and 7.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Whole numbers in everyday situations.
Worked Example 9
Problem: Create a simple Grade 4 example about Whole numbers in everyday situations using the numbers 4 and 2.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Whole numbers in everyday situations.
Worked Example 10
Problem: Create a simple Grade 4 example about Whole numbers in everyday situations using the numbers 15 and 3.
- Identify what the topic means.
- Use the numbers in a way that follows the rule.
- Check that the result or representation makes sense.
Very beginner explanation: Meaning comes first; the numbers should illustrate the concept clearly.
Answer: A correct example that demonstrates Whole numbers in everyday situations.
Practice Exercise
Create and solve one new example of Whole numbers in everyday situations. Show the steps and explain how you checked it.
Common Mistake
Do not rush into a calculation before understanding the question. Check place values, labels, units, and whether your answer fits the situation.
30 Review Questions and Answers
Q1. What is important to understand about Whole numbers to 10,000?
Answer: Whole numbers to 10,000 is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.
Q2. What is important to understand about Reading four- and five-digit numbers?
Answer: Place value tells how much a digit is worth because of its position in the number.
Q3. What is important to understand about Writing numbers in standard form?
Answer: Writing numbers in standard form is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.
Q4. What is important to understand about Writing numbers in word form?
Answer: Writing numbers in word form is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.
Q5. What is important to understand about Place values from ones to ten-thousands?
Answer: Financial literacy helps compare choices, understand payments, protect information, and judge whether a purchase gives reasonable value.
Q6. What is important to understand about Representing numbers with place-value models?
Answer: Data are collected to answer questions. Organize them clearly, choose a suitable display, and explain what the evidence shows.
Q7. What is important to understand about Composing whole numbers?
Answer: Composing whole numbers is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.
Q8. What is important to understand about Decomposing whole numbers?
Answer: Decomposing whole numbers is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.
Q9. What is important to understand about Expanded form?
Answer: Expanded form is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.
Q10. What is important to understand about Flexible decomposition?
Answer: Flexible decomposition is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.
Q11. What is important to understand about Using zero as a place holder?
Answer: Using zero as a place holder is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.
Q12. What is important to understand about Whole numbers in everyday situations?
Answer: Whole numbers in everyday situations is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.
Q13. How would you explain Whole numbers to 10,000?
Answer: Whole numbers to 10,000 is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.
Q14. How would you explain Reading four- and five-digit numbers?
Answer: Place value tells how much a digit is worth because of its position in the number.
Q15. How would you explain Writing numbers in standard form?
Answer: Writing numbers in standard form is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.
Q16. How would you explain Writing numbers in word form?
Answer: Writing numbers in word form is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.
Q17. How would you explain Place values from ones to ten-thousands?
Answer: Financial literacy helps compare choices, understand payments, protect information, and judge whether a purchase gives reasonable value.
Q18. How would you explain Representing numbers with place-value models?
Answer: Data are collected to answer questions. Organize them clearly, choose a suitable display, and explain what the evidence shows.
Q19. How would you explain Composing whole numbers?
Answer: Composing whole numbers is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.
Q20. How would you explain Decomposing whole numbers?
Answer: Decomposing whole numbers is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.
Q21. How would you explain Expanded form?
Answer: Expanded form is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.
Q22. How would you explain Flexible decomposition?
Answer: Flexible decomposition is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.
Q23. How would you explain Using zero as a place holder?
Answer: Using zero as a place holder is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.
Q24. How would you explain Whole numbers in everyday situations?
Answer: Whole numbers in everyday situations is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.
Q25. What should a beginner check when working with Whole numbers to 10,000?
Answer: Whole numbers to 10,000 is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.
Q26. What should a beginner check when working with Reading four- and five-digit numbers?
Answer: Place value tells how much a digit is worth because of its position in the number.
Q27. What should a beginner check when working with Writing numbers in standard form?
Answer: Writing numbers in standard form is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.
Q28. What should a beginner check when working with Writing numbers in word form?
Answer: Writing numbers in word form is an important Grade 4 mathematics idea in Whole Numbers to 10,000. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.
Q29. What should a beginner check when working with Place values from ones to ten-thousands?
Answer: Financial literacy helps compare choices, understand payments, protect information, and judge whether a purchase gives reasonable value.
Q30. What should a beginner check when working with Representing numbers with place-value models?
Answer: Data are collected to answer questions. Organize them clearly, choose a suitable display, and explain what the evidence shows.