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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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Age band:Ages 4-6Ages 7-9

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Worksheet StudioPractice pack · Ages 7-9

Number bonds

Take your time. Show your thinking.

  1. 1. Find the missing number: 29 + ____ = 36

    29 · 36 · Number bonds

  2. 2. Find the missing number: 57 + ____ = 86

    57 · 86 · Number bonds

  3. 3. Find the missing number: 33 + ____ = 90

    33 · 90 · Number bonds

  4. 4. Find the missing number: 56 + ____ = 66

    56 · 66 · Number bonds

  5. 5. Find the missing number: 47 + ____ = 49

    47 · 49 · Number bonds

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

    5 · 69 · Number bonds

  7. 7. Find the missing number: 15 + ____ = 93

    15 · 93 · Number bonds

  8. 8. Find the missing number: 40 + ____ = 43

    40 · 43 · Number bonds

  9. 9. Find the missing number: 3 + ____ = 41

    3 · 41 · Number bonds

  10. 10. Find the missing number: 10 + ____ = 62

    10 · 62 · Number bonds

  11. 11. Find the missing number: 1 + ____ = 20

    1 · 20 · Number bonds

  12. 12. Find the missing number: 15 + ____ = 45

    15 · 45 · Number bonds
12 questions · Seed 104731 · 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: 29 + ____ = 36

    7

    Subtract 29 from 36: 36 − 29 = 7. Check: 29 + 7 = 36.

  2. 2. Find the missing number: 57 + ____ = 86

    29

    Subtract 57 from 86: 86 − 57 = 29. Check: 57 + 29 = 86.

  3. 3. Find the missing number: 33 + ____ = 90

    57

    Subtract 33 from 90: 90 − 33 = 57. Check: 33 + 57 = 90.

  4. 4. Find the missing number: 56 + ____ = 66

    10

    Subtract 56 from 66: 66 − 56 = 10. Check: 56 + 10 = 66.

  5. 5. Find the missing number: 47 + ____ = 49

    2

    Subtract 47 from 49: 49 − 47 = 2. Check: 47 + 2 = 49.

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

    64

    Subtract 5 from 69: 69 − 5 = 64. Check: 5 + 64 = 69.

  7. 7. Find the missing number: 15 + ____ = 93

    78

    Subtract 15 from 93: 93 − 15 = 78. Check: 15 + 78 = 93.

  8. 8. Find the missing number: 40 + ____ = 43

    3

    Subtract 40 from 43: 43 − 40 = 3. Check: 40 + 3 = 43.

  9. 9. Find the missing number: 3 + ____ = 41

    38

    Subtract 3 from 41: 41 − 3 = 38. Check: 3 + 38 = 41.

  10. 10. Find the missing number: 10 + ____ = 62

    52

    Subtract 10 from 62: 62 − 10 = 52. Check: 10 + 52 = 62.

  11. 11. Find the missing number: 1 + ____ = 20

    19

    Subtract 1 from 20: 20 − 1 = 19. Check: 1 + 19 = 20.

  12. 12. Find the missing number: 15 + ____ = 45

    30

    Subtract 15 from 45: 45 − 15 = 30. Check: 15 + 30 = 45.

12 questions · Seed 104731 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 7-9

Number bonds

Take your time. Show your thinking.

  1. 1. Find the missing number: 29 + ____ = 36

    29 · 36 · Number bonds

  2. 2. Find the missing number: 57 + ____ = 86

    57 · 86 · Number bonds

  3. 3. Find the missing number: 33 + ____ = 90

    33 · 90 · Number bonds

  4. 4. Find the missing number: 56 + ____ = 66

    56 · 66 · Number bonds

  5. 5. Find the missing number: 47 + ____ = 49

    47 · 49 · Number bonds

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

    5 · 69 · Number bonds

  7. 7. Find the missing number: 15 + ____ = 93

    15 · 93 · Number bonds

  8. 8. Find the missing number: 40 + ____ = 43

    40 · 43 · Number bonds

  9. 9. Find the missing number: 3 + ____ = 41

    3 · 41 · Number bonds

  10. 10. Find the missing number: 10 + ____ = 62

    10 · 62 · Number bonds

  11. 11. Find the missing number: 1 + ____ = 20

    1 · 20 · Number bonds

  12. 12. Find the missing number: 15 + ____ = 45

    15 · 45 · Number bonds
12 questions · Seed 104731 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 7-9

Number bonds

Answers and reasoning. Review before teaching.

  1. 1. Find the missing number: 29 + ____ = 36

    7

    Subtract 29 from 36: 36 − 29 = 7. Check: 29 + 7 = 36.

  2. 2. Find the missing number: 57 + ____ = 86

    29

    Subtract 57 from 86: 86 − 57 = 29. Check: 57 + 29 = 86.

  3. 3. Find the missing number: 33 + ____ = 90

    57

    Subtract 33 from 90: 90 − 33 = 57. Check: 33 + 57 = 90.

  4. 4. Find the missing number: 56 + ____ = 66

    10

    Subtract 56 from 66: 66 − 56 = 10. Check: 56 + 10 = 66.

  5. 5. Find the missing number: 47 + ____ = 49

    2

    Subtract 47 from 49: 49 − 47 = 2. Check: 47 + 2 = 49.

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

    64

    Subtract 5 from 69: 69 − 5 = 64. Check: 5 + 64 = 69.

  7. 7. Find the missing number: 15 + ____ = 93

    78

    Subtract 15 from 93: 93 − 15 = 78. Check: 15 + 78 = 93.

  8. 8. Find the missing number: 40 + ____ = 43

    3

    Subtract 40 from 43: 43 − 40 = 3. Check: 40 + 3 = 43.

  9. 9. Find the missing number: 3 + ____ = 41

    38

    Subtract 3 from 41: 41 − 3 = 38. Check: 3 + 38 = 41.

  10. 10. Find the missing number: 10 + ____ = 62

    52

    Subtract 10 from 62: 62 − 10 = 52. Check: 10 + 52 = 62.

  11. 11. Find the missing number: 1 + ____ = 20

    19

    Subtract 1 from 20: 20 − 1 = 19. Check: 1 + 19 = 20.

  12. 12. Find the missing number: 15 + ____ = 45

    30

    Subtract 15 from 45: 45 − 15 = 30. Check: 15 + 30 = 45.

12 questions · Seed 104731 · Age guidance, not curriculum certification