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MathsAges 7-9

Number bonds

Find the missing addend that completes a target whole number. Review suitability for your learners before teaching.

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Worksheet StudioPractice pack · Ages 7-9

Number bonds

Take your time. Show your thinking.

  1. 1. Find the missing number: 37 + ____ = 62

    37 · 62 · Number bonds
  2. 2. Find the missing number: 57 + ____ = 96

    57 · 96 · Number bonds
  3. 3. Find the missing number: 21 + ____ = 84

    21 · 84 · Number bonds
  4. 4. Find the missing number: 4 + ____ = 100

    4 · 100 · Number bonds
  5. 5. Find the missing number: 31 + ____ = 69

    31 · 69 · Number bonds
  6. 6. Find the missing number: 38 + ____ = 54

    38 · 54 · Number bonds
  7. 7. Find the missing number: 16 + ____ = 36

    16 · 36 · Number bonds
  8. 8. Find the missing number: 28 + ____ = 41

    28 · 41 · Number bonds
  9. 9. Find the missing number: 63 + ____ = 66

    63 · 66 · Number bonds
  10. 10. Find the missing number: 24 + ____ = 35

    24 · 35 · Number bonds
  11. 11. Find the missing number: 23 + ____ = 30

    23 · 30 · Number bonds
  12. 12. Find the missing number: 9 + ____ = 28

    9 · 28 · Number bonds
12 questions · Seed 104729 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 7-9

Number bonds

Answers and reasoning. Review before teaching.

  1. 1. Find the missing number: 37 + ____ = 62

    25

    Subtract 37 from 62: 62 − 37 = 25. Check: 37 + 25 = 62.

  2. 2. Find the missing number: 57 + ____ = 96

    39

    Subtract 57 from 96: 96 − 57 = 39. Check: 57 + 39 = 96.

  3. 3. Find the missing number: 21 + ____ = 84

    63

    Subtract 21 from 84: 84 − 21 = 63. Check: 21 + 63 = 84.

  4. 4. Find the missing number: 4 + ____ = 100

    96

    Subtract 4 from 100: 100 − 4 = 96. Check: 4 + 96 = 100.

  5. 5. Find the missing number: 31 + ____ = 69

    38

    Subtract 31 from 69: 69 − 31 = 38. Check: 31 + 38 = 69.

  6. 6. Find the missing number: 38 + ____ = 54

    16

    Subtract 38 from 54: 54 − 38 = 16. Check: 38 + 16 = 54.

  7. 7. Find the missing number: 16 + ____ = 36

    20

    Subtract 16 from 36: 36 − 16 = 20. Check: 16 + 20 = 36.

  8. 8. Find the missing number: 28 + ____ = 41

    13

    Subtract 28 from 41: 41 − 28 = 13. Check: 28 + 13 = 41.

  9. 9. Find the missing number: 63 + ____ = 66

    3

    Subtract 63 from 66: 66 − 63 = 3. Check: 63 + 3 = 66.

  10. 10. Find the missing number: 24 + ____ = 35

    11

    Subtract 24 from 35: 35 − 24 = 11. Check: 24 + 11 = 35.

  11. 11. Find the missing number: 23 + ____ = 30

    7

    Subtract 23 from 30: 30 − 23 = 7. Check: 23 + 7 = 30.

  12. 12. Find the missing number: 9 + ____ = 28

    19

    Subtract 9 from 28: 28 − 9 = 19. Check: 9 + 19 = 28.

12 questions · Seed 104729 · Age guidance, not curriculum certification