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Chapter 8: Skip Counting by 5s

Learn Grade 2 mathematics with very-beginner explanations, original worked examples, practice, reasoning, and review.

Grade 2Very Beginner Friendly10 Examples Per Topic30 Q&APractice + Review
Estimated reading time0% read
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Chapter Overview

This chapter teaches Skip Counting by 5s with simple explanations, visual thinking, worked examples, practice, and review.

8.1 Counting by 5s from 0

Counting patterns organize numbers and help with addition, subtraction, and number relationships. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Continue 27, 37, 47, ...

  1. The rule is add 10.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 57, 67

Worked Example 2

Problem: Continue 24, 29, 34, ...

  1. The rule is add 5.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 39, 44

Worked Example 3

Problem: Continue 32, 34, 36, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 38, 40

Worked Example 4

Problem: Continue 32, 33, 34, ...

  1. The rule is add 1.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 35, 36

Worked Example 5

Problem: Continue 35, 40, 45, ...

  1. The rule is add 5.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 50, 55

Worked Example 6

Problem: Continue 35, 45, 55, ...

  1. The rule is add 10.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 65, 75

Worked Example 7

Problem: Continue 17, 18, 19, ...

  1. The rule is add 1.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 20, 21

Worked Example 8

Problem: Continue 36, 38, 40, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 42, 44

Worked Example 9

Problem: Continue 15, 20, 25, ...

  1. The rule is add 5.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 30, 35

Worked Example 10

Problem: Continue 13, 18, 23, ...

  1. The rule is add 5.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 28, 33

8.2 Counting by 5s from a multiple of 5

Counting patterns organize numbers and help with addition, subtraction, and number relationships. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Continue 12, 14, 16, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 18, 20

Worked Example 2

Problem: Continue 36, 46, 56, ...

  1. The rule is add 10.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 66, 76

Worked Example 3

Problem: Continue 6, 8, 10, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 12, 14

Worked Example 4

Problem: Continue 37, 39, 41, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 43, 45

Worked Example 5

Problem: Continue 24, 25, 26, ...

  1. The rule is add 1.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 27, 28

Worked Example 6

Problem: Continue 39, 41, 43, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 45, 47

Worked Example 7

Problem: Continue 23, 24, 25, ...

  1. The rule is add 1.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 26, 27

Worked Example 8

Problem: Continue 11, 21, 31, ...

  1. The rule is add 10.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 41, 51

Worked Example 9

Problem: Continue 0, 1, 2, ...

  1. The rule is add 1.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 3, 4

Worked Example 10

Problem: Continue 32, 42, 52, ...

  1. The rule is add 10.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 62, 72

8.3 Counting by 5s to 200

Counting patterns organize numbers and help with addition, subtraction, and number relationships. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Continue 40, 42, 44, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 46, 48

Worked Example 2

Problem: Continue 30, 32, 34, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 36, 38

Worked Example 3

Problem: Continue 29, 31, 33, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 35, 37

Worked Example 4

Problem: Continue 29, 30, 31, ...

  1. The rule is add 1.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 32, 33

Worked Example 5

Problem: Continue 25, 27, 29, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 31, 33

Worked Example 6

Problem: Continue 25, 27, 29, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 31, 33

Worked Example 7

Problem: Continue 23, 33, 43, ...

  1. The rule is add 10.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 53, 63

Worked Example 8

Problem: Continue 30, 32, 34, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 36, 38

Worked Example 9

Problem: Continue 40, 45, 50, ...

  1. The rule is add 5.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 55, 60

Worked Example 10

Problem: Continue 28, 33, 38, ...

  1. The rule is add 5.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 43, 48

8.4 Missing numbers in a 5s pattern

A pattern follows a rule. Repeating patterns repeat a core; growing patterns change in a predictable way. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Continue 6, 7, 8, ...

  1. The rule is add 1.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 9, 10

Worked Example 2

Problem: Continue 8, 18, 28, ...

  1. The rule is add 10.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 38, 48

Worked Example 3

Problem: Continue 20, 25, 30, ...

  1. The rule is add 5.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 35, 40

Worked Example 4

Problem: Continue 28, 29, 30, ...

  1. The rule is add 1.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 31, 32

Worked Example 5

Problem: Continue 13, 18, 23, ...

  1. The rule is add 5.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 28, 33

Worked Example 6

Problem: Continue 21, 26, 31, ...

  1. The rule is add 5.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 36, 41

Worked Example 7

Problem: Continue 11, 13, 15, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 17, 19

Worked Example 8

Problem: Continue 34, 35, 36, ...

  1. The rule is add 1.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 37, 38

Worked Example 9

Problem: Continue 30, 40, 50, ...

  1. The rule is add 10.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 60, 70

Worked Example 10

Problem: Continue 28, 33, 38, ...

  1. The rule is add 5.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 43, 48

8.5 Counting nickels by value

Counting patterns organize numbers and help with addition, subtraction, and number relationships. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Continue 16, 26, 36, ...

  1. The rule is add 10.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 46, 56

Worked Example 2

Problem: Continue 35, 36, 37, ...

  1. The rule is add 1.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 38, 39

Worked Example 3

Problem: Continue 9, 10, 11, ...

  1. The rule is add 1.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 12, 13

Worked Example 4

Problem: Continue 22, 24, 26, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 28, 30

Worked Example 5

Problem: Continue 22, 32, 42, ...

  1. The rule is add 10.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 52, 62

Worked Example 6

Problem: Continue 3, 5, 7, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 9, 11

Worked Example 7

Problem: Continue 35, 45, 55, ...

  1. The rule is add 10.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 65, 75

Worked Example 8

Problem: Continue 37, 38, 39, ...

  1. The rule is add 1.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 40, 41

Worked Example 9

Problem: Continue 7, 8, 9, ...

  1. The rule is add 1.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 10, 11

Worked Example 10

Problem: Continue 19, 29, 39, ...

  1. The rule is add 10.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 49, 59

8.6 Skip counting on a number line

Counting patterns organize numbers and help with addition, subtraction, and number relationships. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Continue 3, 8, 13, ...

  1. The rule is add 5.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 18, 23

Worked Example 2

Problem: Continue 29, 34, 39, ...

  1. The rule is add 5.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 44, 49

Worked Example 3

Problem: Continue 27, 28, 29, ...

  1. The rule is add 1.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 30, 31

Worked Example 4

Problem: Continue 20, 30, 40, ...

  1. The rule is add 10.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 50, 60

Worked Example 5

Problem: Continue 25, 27, 29, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 31, 33

Worked Example 6

Problem: Continue 22, 27, 32, ...

  1. The rule is add 5.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 37, 42

Worked Example 7

Problem: Continue 31, 32, 33, ...

  1. The rule is add 1.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 34, 35

Worked Example 8

Problem: Continue 10, 12, 14, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 16, 18

Worked Example 9

Problem: Continue 7, 12, 17, ...

  1. The rule is add 5.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 22, 27

Worked Example 10

Problem: Continue 10, 20, 30, ...

  1. The rule is add 10.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 40, 50

8.7 Skip counting on a hundreds chart

Place value tells how much a digit is worth because of its position in a number. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: How many hundreds, tens, and ones are in 109?

  1. Read the hundreds digit.
  2. Read the tens digit.
  3. Read the ones digit.

Very beginner explanation: Position tells place value.

Answer: 1 hundred, 0 tens, 9 ones

Worked Example 2

Problem: How many hundreds, tens, and ones are in 123?

  1. Read the hundreds digit.
  2. Read the tens digit.
  3. Read the ones digit.

Very beginner explanation: Position tells place value.

Answer: 1 hundred, 2 tens, 3 ones

Worked Example 3

Problem: How many hundreds, tens, and ones are in 166?

  1. Read the hundreds digit.
  2. Read the tens digit.
  3. Read the ones digit.

Very beginner explanation: Position tells place value.

Answer: 1 hundred, 6 tens, 6 ones

Worked Example 4

Problem: How many hundreds, tens, and ones are in 135?

  1. Read the hundreds digit.
  2. Read the tens digit.
  3. Read the ones digit.

Very beginner explanation: Position tells place value.

Answer: 1 hundred, 3 tens, 5 ones

Worked Example 5

Problem: How many hundreds, tens, and ones are in 197?

  1. Read the hundreds digit.
  2. Read the tens digit.
  3. Read the ones digit.

Very beginner explanation: Position tells place value.

Answer: 1 hundred, 9 tens, 7 ones

Worked Example 6

Problem: How many hundreds, tens, and ones are in 158?

  1. Read the hundreds digit.
  2. Read the tens digit.
  3. Read the ones digit.

Very beginner explanation: Position tells place value.

Answer: 1 hundred, 5 tens, 8 ones

Worked Example 7

Problem: How many hundreds, tens, and ones are in 180?

  1. Read the hundreds digit.
  2. Read the tens digit.
  3. Read the ones digit.

Very beginner explanation: Position tells place value.

Answer: 1 hundred, 8 tens, 0 ones

Worked Example 8

Problem: How many hundreds, tens, and ones are in 180?

  1. Read the hundreds digit.
  2. Read the tens digit.
  3. Read the ones digit.

Very beginner explanation: Position tells place value.

Answer: 1 hundred, 8 tens, 0 ones

Worked Example 9

Problem: How many hundreds, tens, and ones are in 148?

  1. Read the hundreds digit.
  2. Read the tens digit.
  3. Read the ones digit.

Very beginner explanation: Position tells place value.

Answer: 1 hundred, 4 tens, 8 ones

Worked Example 10

Problem: How many hundreds, tens, and ones are in 173?

  1. Read the hundreds digit.
  2. Read the tens digit.
  3. Read the ones digit.

Very beginner explanation: Position tells place value.

Answer: 1 hundred, 7 tens, 3 ones

8.8 Patterns in ones digits

Place value tells how much a digit is worth because of its position in a number. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: How many hundreds, tens, and ones are in 128?

  1. Read the hundreds digit.
  2. Read the tens digit.
  3. Read the ones digit.

Very beginner explanation: Position tells place value.

Answer: 1 hundred, 2 tens, 8 ones

Worked Example 2

Problem: How many hundreds, tens, and ones are in 179?

  1. Read the hundreds digit.
  2. Read the tens digit.
  3. Read the ones digit.

Very beginner explanation: Position tells place value.

Answer: 1 hundred, 7 tens, 9 ones

Worked Example 3

Problem: How many hundreds, tens, and ones are in 155?

  1. Read the hundreds digit.
  2. Read the tens digit.
  3. Read the ones digit.

Very beginner explanation: Position tells place value.

Answer: 1 hundred, 5 tens, 5 ones

Worked Example 4

Problem: How many hundreds, tens, and ones are in 117?

  1. Read the hundreds digit.
  2. Read the tens digit.
  3. Read the ones digit.

Very beginner explanation: Position tells place value.

Answer: 1 hundred, 1 tens, 7 ones

Worked Example 5

Problem: How many hundreds, tens, and ones are in 122?

  1. Read the hundreds digit.
  2. Read the tens digit.
  3. Read the ones digit.

Very beginner explanation: Position tells place value.

Answer: 1 hundred, 2 tens, 2 ones

Worked Example 6

Problem: How many hundreds, tens, and ones are in 103?

  1. Read the hundreds digit.
  2. Read the tens digit.
  3. Read the ones digit.

Very beginner explanation: Position tells place value.

Answer: 1 hundred, 0 tens, 3 ones

Worked Example 7

Problem: How many hundreds, tens, and ones are in 153?

  1. Read the hundreds digit.
  2. Read the tens digit.
  3. Read the ones digit.

Very beginner explanation: Position tells place value.

Answer: 1 hundred, 5 tens, 3 ones

Worked Example 8

Problem: How many hundreds, tens, and ones are in 156?

  1. Read the hundreds digit.
  2. Read the tens digit.
  3. Read the ones digit.

Very beginner explanation: Position tells place value.

Answer: 1 hundred, 5 tens, 6 ones

Worked Example 9

Problem: How many hundreds, tens, and ones are in 190?

  1. Read the hundreds digit.
  2. Read the tens digit.
  3. Read the ones digit.

Very beginner explanation: Position tells place value.

Answer: 1 hundred, 9 tens, 0 ones

Worked Example 10

Problem: How many hundreds, tens, and ones are in 184?

  1. Read the hundreds digit.
  2. Read the tens digit.
  3. Read the ones digit.

Very beginner explanation: Position tells place value.

Answer: 1 hundred, 8 tens, 4 ones

8.9 Counting groups of 5

Counting patterns organize numbers and help with addition, subtraction, and number relationships. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Continue 6, 8, 10, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 12, 14

Worked Example 2

Problem: Continue 33, 38, 43, ...

  1. The rule is add 5.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 48, 53

Worked Example 3

Problem: Continue 30, 32, 34, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 36, 38

Worked Example 4

Problem: Continue 19, 20, 21, ...

  1. The rule is add 1.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 22, 23

Worked Example 5

Problem: Continue 33, 35, 37, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 39, 41

Worked Example 6

Problem: Continue 34, 35, 36, ...

  1. The rule is add 1.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 37, 38

Worked Example 7

Problem: Continue 22, 27, 32, ...

  1. The rule is add 5.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 37, 42

Worked Example 8

Problem: Continue 26, 27, 28, ...

  1. The rule is add 1.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 29, 30

Worked Example 9

Problem: Continue 19, 29, 39, ...

  1. The rule is add 10.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 49, 59

Worked Example 10

Problem: Continue 32, 42, 52, ...

  1. The rule is add 10.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 62, 72

8.10 Backward skip counting by 5s

Counting patterns organize numbers and help with addition, subtraction, and number relationships. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Continue 28, 33, 38, ...

  1. The rule is add 5.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 43, 48

Worked Example 2

Problem: Continue 7, 17, 27, ...

  1. The rule is add 10.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 37, 47

Worked Example 3

Problem: Continue 4, 6, 8, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 10, 12

Worked Example 4

Problem: Continue 32, 33, 34, ...

  1. The rule is add 1.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 35, 36

Worked Example 5

Problem: Continue 4, 6, 8, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 10, 12

Worked Example 6

Problem: Continue 22, 27, 32, ...

  1. The rule is add 5.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 37, 42

Worked Example 7

Problem: Continue 9, 19, 29, ...

  1. The rule is add 10.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 39, 49

Worked Example 8

Problem: Continue 9, 19, 29, ...

  1. The rule is add 10.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 39, 49

Worked Example 9

Problem: Continue 4, 6, 8, ...

  1. The rule is add 2.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 10, 12

Worked Example 10

Problem: Continue 20, 30, 40, ...

  1. The rule is add 10.
  2. Use the same rule again.

Very beginner explanation: Counting patterns use a consistent step.

Answer: 50, 60

8.11 Using 5s to estimate collections

Estimation gives a nearby amount. The nearest ten is the multiple of ten closest to the number. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Which ten is closer to 12: 10 or 20?

  1. Find the distance to each ten.
  2. Choose the closer one.

Very beginner explanation: Nearest-ten thinking uses multiples of ten as benchmarks.

Answer: 10

Worked Example 2

Problem: Which ten is closer to 49: 40 or 50?

  1. Find the distance to each ten.
  2. Choose the closer one.

Very beginner explanation: Nearest-ten thinking uses multiples of ten as benchmarks.

Answer: 50

Worked Example 3

Problem: Which ten is closer to 45: 40 or 50?

  1. Find the distance to each ten.
  2. Choose the closer one.

Very beginner explanation: Nearest-ten thinking uses multiples of ten as benchmarks.

Answer: 50

Worked Example 4

Problem: Which ten is closer to 13: 10 or 20?

  1. Find the distance to each ten.
  2. Choose the closer one.

Very beginner explanation: Nearest-ten thinking uses multiples of ten as benchmarks.

Answer: 10

Worked Example 5

Problem: Which ten is closer to 66: 60 or 70?

  1. Find the distance to each ten.
  2. Choose the closer one.

Very beginner explanation: Nearest-ten thinking uses multiples of ten as benchmarks.

Answer: 70

Worked Example 6

Problem: Which ten is closer to 27: 20 or 30?

  1. Find the distance to each ten.
  2. Choose the closer one.

Very beginner explanation: Nearest-ten thinking uses multiples of ten as benchmarks.

Answer: 30

Worked Example 7

Problem: Which ten is closer to 22: 20 or 30?

  1. Find the distance to each ten.
  2. Choose the closer one.

Very beginner explanation: Nearest-ten thinking uses multiples of ten as benchmarks.

Answer: 20

Worked Example 8

Problem: Which ten is closer to 41: 40 or 50?

  1. Find the distance to each ten.
  2. Choose the closer one.

Very beginner explanation: Nearest-ten thinking uses multiples of ten as benchmarks.

Answer: 40

Worked Example 9

Problem: Which ten is closer to 61: 60 or 70?

  1. Find the distance to each ten.
  2. Choose the closer one.

Very beginner explanation: Nearest-ten thinking uses multiples of ten as benchmarks.

Answer: 60

Worked Example 10

Problem: Which ten is closer to 75: 70 or 80?

  1. Find the distance to each ten.
  2. Choose the closer one.

Very beginner explanation: Nearest-ten thinking uses multiples of ten as benchmarks.

Answer: 80

8.12 Checking a 5s sequence

Checking a 5s sequence is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Use 14 and 9 to make a simple example about Checking a 5s sequence.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Checking a 5s sequence.

Worked Example 2

Problem: Use 3 and 8 to make a simple example about Checking a 5s sequence.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Checking a 5s sequence.

Worked Example 3

Problem: Use 14 and 18 to make a simple example about Checking a 5s sequence.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Checking a 5s sequence.

Worked Example 4

Problem: Use 12 and 6 to make a simple example about Checking a 5s sequence.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Checking a 5s sequence.

Worked Example 5

Problem: Use 6 and 4 to make a simple example about Checking a 5s sequence.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Checking a 5s sequence.

Worked Example 6

Problem: Use 20 and 11 to make a simple example about Checking a 5s sequence.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Checking a 5s sequence.

Worked Example 7

Problem: Use 19 and 20 to make a simple example about Checking a 5s sequence.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Checking a 5s sequence.

Worked Example 8

Problem: Use 2 and 19 to make a simple example about Checking a 5s sequence.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Checking a 5s sequence.

Worked Example 9

Problem: Use 16 and 9 to make a simple example about Checking a 5s sequence.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Checking a 5s sequence.

Worked Example 10

Problem: Use 11 and 4 to make a simple example about Checking a 5s sequence.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Checking a 5s sequence.

30 Review Questions and Answers

Q1. What should a Grade 2 learner understand about Counting by 5s from 0?

Answer: Counting patterns organize numbers and help with addition, subtraction, and number relationships.

Q2. What should a Grade 2 learner understand about Counting by 5s from a multiple of 5?

Answer: Counting patterns organize numbers and help with addition, subtraction, and number relationships.

Q3. What should a Grade 2 learner understand about Counting by 5s to 200?

Answer: Counting patterns organize numbers and help with addition, subtraction, and number relationships.

Q4. What should a Grade 2 learner understand about Missing numbers in a 5s pattern?

Answer: A pattern follows a rule. Repeating patterns repeat a core; growing patterns change in a predictable way.

Q5. What should a Grade 2 learner understand about Counting nickels by value?

Answer: Counting patterns organize numbers and help with addition, subtraction, and number relationships.

Q6. What should a Grade 2 learner understand about Skip counting on a number line?

Answer: Counting patterns organize numbers and help with addition, subtraction, and number relationships.

Q7. What should a Grade 2 learner understand about Skip counting on a hundreds chart?

Answer: Place value tells how much a digit is worth because of its position in a number.

Q8. What should a Grade 2 learner understand about Patterns in ones digits?

Answer: Place value tells how much a digit is worth because of its position in a number.

Q9. What should a Grade 2 learner understand about Counting groups of 5?

Answer: Counting patterns organize numbers and help with addition, subtraction, and number relationships.

Q10. What should a Grade 2 learner understand about Backward skip counting by 5s?

Answer: Counting patterns organize numbers and help with addition, subtraction, and number relationships.

Q11. What should a Grade 2 learner understand about Using 5s to estimate collections?

Answer: Estimation gives a nearby amount. The nearest ten is the multiple of ten closest to the number.

Q12. What should a Grade 2 learner understand about Checking a 5s sequence?

Answer: Checking a 5s sequence is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q13. What should a Grade 2 learner understand about Counting by 5s from 0?

Answer: Counting patterns organize numbers and help with addition, subtraction, and number relationships.

Q14. What should a Grade 2 learner understand about Counting by 5s from a multiple of 5?

Answer: Counting patterns organize numbers and help with addition, subtraction, and number relationships.

Q15. What should a Grade 2 learner understand about Counting by 5s to 200?

Answer: Counting patterns organize numbers and help with addition, subtraction, and number relationships.

Q16. What should a Grade 2 learner understand about Missing numbers in a 5s pattern?

Answer: A pattern follows a rule. Repeating patterns repeat a core; growing patterns change in a predictable way.

Q17. What should a Grade 2 learner understand about Counting nickels by value?

Answer: Counting patterns organize numbers and help with addition, subtraction, and number relationships.

Q18. What should a Grade 2 learner understand about Skip counting on a number line?

Answer: Counting patterns organize numbers and help with addition, subtraction, and number relationships.

Q19. What should a Grade 2 learner understand about Skip counting on a hundreds chart?

Answer: Place value tells how much a digit is worth because of its position in a number.

Q20. What should a Grade 2 learner understand about Patterns in ones digits?

Answer: Place value tells how much a digit is worth because of its position in a number.

Q21. What should a Grade 2 learner understand about Counting groups of 5?

Answer: Counting patterns organize numbers and help with addition, subtraction, and number relationships.

Q22. What should a Grade 2 learner understand about Backward skip counting by 5s?

Answer: Counting patterns organize numbers and help with addition, subtraction, and number relationships.

Q23. What should a Grade 2 learner understand about Using 5s to estimate collections?

Answer: Estimation gives a nearby amount. The nearest ten is the multiple of ten closest to the number.

Q24. What should a Grade 2 learner understand about Checking a 5s sequence?

Answer: Checking a 5s sequence is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q25. What should a Grade 2 learner understand about Counting by 5s from 0?

Answer: Counting patterns organize numbers and help with addition, subtraction, and number relationships.

Q26. What should a Grade 2 learner understand about Counting by 5s from a multiple of 5?

Answer: Counting patterns organize numbers and help with addition, subtraction, and number relationships.

Q27. What should a Grade 2 learner understand about Counting by 5s to 200?

Answer: Counting patterns organize numbers and help with addition, subtraction, and number relationships.

Q28. What should a Grade 2 learner understand about Missing numbers in a 5s pattern?

Answer: A pattern follows a rule. Repeating patterns repeat a core; growing patterns change in a predictable way.

Q29. What should a Grade 2 learner understand about Counting nickels by value?

Answer: Counting patterns organize numbers and help with addition, subtraction, and number relationships.

Q30. What should a Grade 2 learner understand about Skip counting on a number line?

Answer: Counting patterns organize numbers and help with addition, subtraction, and number relationships.