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Chapter 14: Multiplication Facts 1 × 1 to 10 × 10

Learn Grade 4 mathematics with very-beginner explanations, original worked examples, practice, reasoning, and review.

Grade 4Beginner Friendly10 Examples Per Topic30 Q&APractice + Review
Estimated reading time0% read
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Chapter Overview

This chapter teaches Multiplication Facts 1 × 1 to 10 × 10 in original, simple language with step-by-step reasoning, worked examples, practice exercises, common mistakes, and review questions.

14.1 Multiplication as equal groups

Multiplication combines equal groups. Arrays, place value, known facts, and breaking apart numbers can all help. 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: Calculate 11 × 9.

  1. Break 11 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 99

Worked Example 2

Problem: Calculate 9 × 7.

  1. Break 9 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 63

Worked Example 3

Problem: Calculate 8 × 5.

  1. Break 8 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 40

Worked Example 4

Problem: Calculate 12 × 6.

  1. Break 12 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 72

Worked Example 5

Problem: Calculate 2 × 9.

  1. Break 2 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 18

Worked Example 6

Problem: Calculate 12 × 7.

  1. Break 12 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 84

Worked Example 7

Problem: Calculate 5 × 7.

  1. Break 5 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 35

Worked Example 8

Problem: Calculate 3 × 9.

  1. Break 3 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 27

Worked Example 9

Problem: Calculate 8 × 7.

  1. Break 8 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 56

Worked Example 10

Problem: Calculate 12 × 8.

  1. Break 12 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 96

Practice Exercise

Create and solve one new example of Multiplication as equal groups. 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.

14.2 Multiplication as arrays

Multiplication combines equal groups. Arrays, place value, known facts, and breaking apart numbers can all help. 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: Calculate 10 × 4.

  1. Break 10 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 40

Worked Example 2

Problem: Calculate 3 × 3.

  1. Break 3 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 9

Worked Example 3

Problem: Calculate 5 × 5.

  1. Break 5 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 25

Worked Example 4

Problem: Calculate 6 × 4.

  1. Break 6 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 24

Worked Example 5

Problem: Calculate 5 × 6.

  1. Break 5 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 30

Worked Example 6

Problem: Calculate 8 × 2.

  1. Break 8 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 16

Worked Example 7

Problem: Calculate 2 × 7.

  1. Break 2 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 14

Worked Example 8

Problem: Calculate 6 × 4.

  1. Break 6 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 24

Worked Example 9

Problem: Calculate 4 × 6.

  1. Break 4 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 24

Worked Example 10

Problem: Calculate 9 × 2.

  1. Break 9 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 18

Practice Exercise

Create and solve one new example of Multiplication as arrays. 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.

14.3 Multiplication as repeated addition

Multiplication combines equal groups. Arrays, place value, known facts, and breaking apart numbers can all help. 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: Calculate 10 × 4.

  1. Break 10 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 40

Worked Example 2

Problem: Calculate 9 × 8.

  1. Break 9 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 72

Worked Example 3

Problem: Calculate 5 × 7.

  1. Break 5 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 35

Worked Example 4

Problem: Calculate 12 × 2.

  1. Break 12 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 24

Worked Example 5

Problem: Calculate 7 × 3.

  1. Break 7 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 21

Worked Example 6

Problem: Calculate 10 × 8.

  1. Break 10 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 80

Worked Example 7

Problem: Calculate 7 × 8.

  1. Break 7 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 56

Worked Example 8

Problem: Calculate 6 × 5.

  1. Break 6 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 30

Worked Example 9

Problem: Calculate 11 × 7.

  1. Break 11 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 77

Worked Example 10

Problem: Calculate 8 × 3.

  1. Break 8 apart if helpful.
  2. Multiply each part by the other factor.
  3. Combine the partial products.

Very beginner explanation: Multiplication finds a total made from equal groups.

Answer: 24

Practice Exercise

Create and solve one new example of Multiplication as repeated addition. 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.

14.4 Facts with 1 and 2

Facts with 1 and 2 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. 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 Facts with 1 and 2 using the numbers 4 and 19.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 1 and 2.

Worked Example 2

Problem: Create a simple Grade 4 example about Facts with 1 and 2 using the numbers 17 and 7.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 1 and 2.

Worked Example 3

Problem: Create a simple Grade 4 example about Facts with 1 and 2 using the numbers 7 and 7.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 1 and 2.

Worked Example 4

Problem: Create a simple Grade 4 example about Facts with 1 and 2 using the numbers 8 and 13.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 1 and 2.

Worked Example 5

Problem: Create a simple Grade 4 example about Facts with 1 and 2 using the numbers 4 and 15.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 1 and 2.

Worked Example 6

Problem: Create a simple Grade 4 example about Facts with 1 and 2 using the numbers 18 and 4.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 1 and 2.

Worked Example 7

Problem: Create a simple Grade 4 example about Facts with 1 and 2 using the numbers 3 and 4.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 1 and 2.

Worked Example 8

Problem: Create a simple Grade 4 example about Facts with 1 and 2 using the numbers 19 and 8.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 1 and 2.

Worked Example 9

Problem: Create a simple Grade 4 example about Facts with 1 and 2 using the numbers 18 and 3.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 1 and 2.

Worked Example 10

Problem: Create a simple Grade 4 example about Facts with 1 and 2 using the numbers 9 and 18.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 1 and 2.

Practice Exercise

Create and solve one new example of Facts with 1 and 2. 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.

14.5 Facts with 3 and 4

Facts with 3 and 4 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. 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 Facts with 3 and 4 using the numbers 3 and 18.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 3 and 4.

Worked Example 2

Problem: Create a simple Grade 4 example about Facts with 3 and 4 using the numbers 19 and 4.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 3 and 4.

Worked Example 3

Problem: Create a simple Grade 4 example about Facts with 3 and 4 using the numbers 10 and 18.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 3 and 4.

Worked Example 4

Problem: Create a simple Grade 4 example about Facts with 3 and 4 using the numbers 18 and 4.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 3 and 4.

Worked Example 5

Problem: Create a simple Grade 4 example about Facts with 3 and 4 using the numbers 6 and 2.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 3 and 4.

Worked Example 6

Problem: Create a simple Grade 4 example about Facts with 3 and 4 using the numbers 11 and 3.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 3 and 4.

Worked Example 7

Problem: Create a simple Grade 4 example about Facts with 3 and 4 using the numbers 12 and 15.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 3 and 4.

Worked Example 8

Problem: Create a simple Grade 4 example about Facts with 3 and 4 using the numbers 14 and 17.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 3 and 4.

Worked Example 9

Problem: Create a simple Grade 4 example about Facts with 3 and 4 using the numbers 12 and 10.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 3 and 4.

Worked Example 10

Problem: Create a simple Grade 4 example about Facts with 3 and 4 using the numbers 15 and 19.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 3 and 4.

Practice Exercise

Create and solve one new example of Facts with 3 and 4. 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.

14.6 Facts with 5

Facts with 5 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. 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 Facts with 5 using the numbers 17 and 20.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 5.

Worked Example 2

Problem: Create a simple Grade 4 example about Facts with 5 using the numbers 7 and 15.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 5.

Worked Example 3

Problem: Create a simple Grade 4 example about Facts with 5 using the numbers 7 and 9.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 5.

Worked Example 4

Problem: Create a simple Grade 4 example about Facts with 5 using the numbers 15 and 5.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 5.

Worked Example 5

Problem: Create a simple Grade 4 example about Facts with 5 using the numbers 5 and 17.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 5.

Worked Example 6

Problem: Create a simple Grade 4 example about Facts with 5 using the numbers 7 and 7.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 5.

Worked Example 7

Problem: Create a simple Grade 4 example about Facts with 5 using the numbers 8 and 11.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 5.

Worked Example 8

Problem: Create a simple Grade 4 example about Facts with 5 using the numbers 7 and 8.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 5.

Worked Example 9

Problem: Create a simple Grade 4 example about Facts with 5 using the numbers 19 and 4.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 5.

Worked Example 10

Problem: Create a simple Grade 4 example about Facts with 5 using the numbers 20 and 10.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 5.

Practice Exercise

Create and solve one new example of Facts with 5. 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.

14.7 Facts with 6

Facts with 6 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. 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 Facts with 6 using the numbers 19 and 18.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 6.

Worked Example 2

Problem: Create a simple Grade 4 example about Facts with 6 using the numbers 14 and 17.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 6.

Worked Example 3

Problem: Create a simple Grade 4 example about Facts with 6 using the numbers 13 and 19.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 6.

Worked Example 4

Problem: Create a simple Grade 4 example about Facts with 6 using the numbers 8 and 5.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 6.

Worked Example 5

Problem: Create a simple Grade 4 example about Facts with 6 using the numbers 17 and 13.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 6.

Worked Example 6

Problem: Create a simple Grade 4 example about Facts with 6 using the numbers 3 and 4.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 6.

Worked Example 7

Problem: Create a simple Grade 4 example about Facts with 6 using the numbers 16 and 2.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 6.

Worked Example 8

Problem: Create a simple Grade 4 example about Facts with 6 using the numbers 13 and 4.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 6.

Worked Example 9

Problem: Create a simple Grade 4 example about Facts with 6 using the numbers 6 and 11.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 6.

Worked Example 10

Problem: Create a simple Grade 4 example about Facts with 6 using the numbers 2 and 3.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 6.

Practice Exercise

Create and solve one new example of Facts with 6. 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.

14.8 Facts with 7

Facts with 7 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. 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 Facts with 7 using the numbers 3 and 14.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 7.

Worked Example 2

Problem: Create a simple Grade 4 example about Facts with 7 using the numbers 5 and 7.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 7.

Worked Example 3

Problem: Create a simple Grade 4 example about Facts with 7 using the numbers 6 and 19.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 7.

Worked Example 4

Problem: Create a simple Grade 4 example about Facts with 7 using the numbers 6 and 12.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 7.

Worked Example 5

Problem: Create a simple Grade 4 example about Facts with 7 using the numbers 20 and 8.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 7.

Worked Example 6

Problem: Create a simple Grade 4 example about Facts with 7 using the numbers 19 and 15.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 7.

Worked Example 7

Problem: Create a simple Grade 4 example about Facts with 7 using the numbers 12 and 12.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 7.

Worked Example 8

Problem: Create a simple Grade 4 example about Facts with 7 using the numbers 11 and 8.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 7.

Worked Example 9

Problem: Create a simple Grade 4 example about Facts with 7 using the numbers 13 and 10.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 7.

Worked Example 10

Problem: Create a simple Grade 4 example about Facts with 7 using the numbers 11 and 15.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 7.

Practice Exercise

Create and solve one new example of Facts with 7. 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.

14.9 Facts with 8

Facts with 8 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. 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 Facts with 8 using the numbers 5 and 5.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 8.

Worked Example 2

Problem: Create a simple Grade 4 example about Facts with 8 using the numbers 7 and 15.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 8.

Worked Example 3

Problem: Create a simple Grade 4 example about Facts with 8 using the numbers 10 and 6.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 8.

Worked Example 4

Problem: Create a simple Grade 4 example about Facts with 8 using the numbers 11 and 5.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 8.

Worked Example 5

Problem: Create a simple Grade 4 example about Facts with 8 using the numbers 20 and 5.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 8.

Worked Example 6

Problem: Create a simple Grade 4 example about Facts with 8 using the numbers 8 and 6.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 8.

Worked Example 7

Problem: Create a simple Grade 4 example about Facts with 8 using the numbers 6 and 16.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 8.

Worked Example 8

Problem: Create a simple Grade 4 example about Facts with 8 using the numbers 10 and 10.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 8.

Worked Example 9

Problem: Create a simple Grade 4 example about Facts with 8 using the numbers 5 and 11.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 8.

Worked Example 10

Problem: Create a simple Grade 4 example about Facts with 8 using the numbers 13 and 5.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 8.

Practice Exercise

Create and solve one new example of Facts with 8. 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.

14.10 Facts with 9

Facts with 9 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. 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 Facts with 9 using the numbers 20 and 14.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 9.

Worked Example 2

Problem: Create a simple Grade 4 example about Facts with 9 using the numbers 20 and 11.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 9.

Worked Example 3

Problem: Create a simple Grade 4 example about Facts with 9 using the numbers 20 and 11.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 9.

Worked Example 4

Problem: Create a simple Grade 4 example about Facts with 9 using the numbers 7 and 14.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 9.

Worked Example 5

Problem: Create a simple Grade 4 example about Facts with 9 using the numbers 9 and 2.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 9.

Worked Example 6

Problem: Create a simple Grade 4 example about Facts with 9 using the numbers 3 and 20.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 9.

Worked Example 7

Problem: Create a simple Grade 4 example about Facts with 9 using the numbers 5 and 17.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 9.

Worked Example 8

Problem: Create a simple Grade 4 example about Facts with 9 using the numbers 9 and 8.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 9.

Worked Example 9

Problem: Create a simple Grade 4 example about Facts with 9 using the numbers 6 and 13.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 9.

Worked Example 10

Problem: Create a simple Grade 4 example about Facts with 9 using the numbers 12 and 3.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 9.

Practice Exercise

Create and solve one new example of Facts with 9. 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.

14.11 Facts with 10

Facts with 10 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. 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 Facts with 10 using the numbers 16 and 4.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 10.

Worked Example 2

Problem: Create a simple Grade 4 example about Facts with 10 using the numbers 12 and 11.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 10.

Worked Example 3

Problem: Create a simple Grade 4 example about Facts with 10 using the numbers 15 and 17.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 10.

Worked Example 4

Problem: Create a simple Grade 4 example about Facts with 10 using the numbers 9 and 3.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 10.

Worked Example 5

Problem: Create a simple Grade 4 example about Facts with 10 using the numbers 2 and 2.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 10.

Worked Example 6

Problem: Create a simple Grade 4 example about Facts with 10 using the numbers 2 and 16.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 10.

Worked Example 7

Problem: Create a simple Grade 4 example about Facts with 10 using the numbers 16 and 13.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 10.

Worked Example 8

Problem: Create a simple Grade 4 example about Facts with 10 using the numbers 2 and 6.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 10.

Worked Example 9

Problem: Create a simple Grade 4 example about Facts with 10 using the numbers 4 and 3.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 10.

Worked Example 10

Problem: Create a simple Grade 4 example about Facts with 10 using the numbers 11 and 17.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 Facts with 10.

Practice Exercise

Create and solve one new example of Facts with 10. 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.

14.12 Using known facts to find unknown facts

Using known facts to find unknown facts is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. 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 known facts to find unknown facts using the numbers 9 and 13.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 known facts to find unknown facts.

Worked Example 2

Problem: Create a simple Grade 4 example about Using known facts to find unknown facts using the numbers 4 and 3.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 known facts to find unknown facts.

Worked Example 3

Problem: Create a simple Grade 4 example about Using known facts to find unknown facts using the numbers 2 and 17.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 known facts to find unknown facts.

Worked Example 4

Problem: Create a simple Grade 4 example about Using known facts to find unknown facts using the numbers 4 and 2.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 known facts to find unknown facts.

Worked Example 5

Problem: Create a simple Grade 4 example about Using known facts to find unknown facts using the numbers 13 and 20.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 known facts to find unknown facts.

Worked Example 6

Problem: Create a simple Grade 4 example about Using known facts to find unknown facts using the numbers 6 and 10.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 known facts to find unknown facts.

Worked Example 7

Problem: Create a simple Grade 4 example about Using known facts to find unknown facts using the numbers 12 and 2.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 known facts to find unknown facts.

Worked Example 8

Problem: Create a simple Grade 4 example about Using known facts to find unknown facts using the numbers 5 and 4.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 known facts to find unknown facts.

Worked Example 9

Problem: Create a simple Grade 4 example about Using known facts to find unknown facts using the numbers 2 and 6.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 known facts to find unknown facts.

Worked Example 10

Problem: Create a simple Grade 4 example about Using known facts to find unknown facts using the numbers 19 and 9.

  1. Identify what the topic means.
  2. Use the numbers in a way that follows the rule.
  3. 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 known facts to find unknown facts.

Practice Exercise

Create and solve one new example of Using known facts to find unknown facts. 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.

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30 Review Questions and Answers

Q1. What is important to understand about Multiplication as equal groups?

Answer: Multiplication combines equal groups. Arrays, place value, known facts, and breaking apart numbers can all help.

Q2. What is important to understand about Multiplication as arrays?

Answer: Multiplication combines equal groups. Arrays, place value, known facts, and breaking apart numbers can all help.

Q3. What is important to understand about Multiplication as repeated addition?

Answer: Multiplication combines equal groups. Arrays, place value, known facts, and breaking apart numbers can all help.

Q4. What is important to understand about Facts with 1 and 2?

Answer: Facts with 1 and 2 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. 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 Facts with 3 and 4?

Answer: Facts with 3 and 4 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.

Q6. What is important to understand about Facts with 5?

Answer: Facts with 5 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.

Q7. What is important to understand about Facts with 6?

Answer: Facts with 6 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. 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 Facts with 7?

Answer: Facts with 7 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. 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 Facts with 8?

Answer: Facts with 8 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. 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 Facts with 9?

Answer: Facts with 9 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. 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 Facts with 10?

Answer: Facts with 10 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. 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 Using known facts to find unknown facts?

Answer: Using known facts to find unknown facts is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.

Q13. How would you explain Multiplication as equal groups?

Answer: Multiplication combines equal groups. Arrays, place value, known facts, and breaking apart numbers can all help.

Q14. How would you explain Multiplication as arrays?

Answer: Multiplication combines equal groups. Arrays, place value, known facts, and breaking apart numbers can all help.

Q15. How would you explain Multiplication as repeated addition?

Answer: Multiplication combines equal groups. Arrays, place value, known facts, and breaking apart numbers can all help.

Q16. How would you explain Facts with 1 and 2?

Answer: Facts with 1 and 2 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.

Q17. How would you explain Facts with 3 and 4?

Answer: Facts with 3 and 4 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.

Q18. How would you explain Facts with 5?

Answer: Facts with 5 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.

Q19. How would you explain Facts with 6?

Answer: Facts with 6 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.

Q20. How would you explain Facts with 7?

Answer: Facts with 7 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.

Q21. How would you explain Facts with 8?

Answer: Facts with 8 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.

Q22. How would you explain Facts with 9?

Answer: Facts with 9 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.

Q23. How would you explain Facts with 10?

Answer: Facts with 10 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.

Q24. How would you explain Using known facts to find unknown facts?

Answer: Using known facts to find unknown facts is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. 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 Multiplication as equal groups?

Answer: Multiplication combines equal groups. Arrays, place value, known facts, and breaking apart numbers can all help.

Q26. What should a beginner check when working with Multiplication as arrays?

Answer: Multiplication combines equal groups. Arrays, place value, known facts, and breaking apart numbers can all help.

Q27. What should a beginner check when working with Multiplication as repeated addition?

Answer: Multiplication combines equal groups. Arrays, place value, known facts, and breaking apart numbers can all help.

Q28. What should a beginner check when working with Facts with 1 and 2?

Answer: Facts with 1 and 2 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. 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 Facts with 3 and 4?

Answer: Facts with 3 and 4 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.

Q30. What should a beginner check when working with Facts with 5?

Answer: Facts with 5 is an important Grade 4 mathematics idea in Multiplication Facts 1 × 1 to 10 × 10. Understand the meaning first, then use a clear representation or strategy and check whether the answer makes sense.