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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: 76 + ____ = 78

    76 · 78 · Number bonds

  2. 2. Find the missing number: 8 + ____ = 58

    8 · 58 · Number bonds

  3. 3. Find the missing number: 25 + ____ = 41

    25 · 41 · Number bonds

  4. 4. Find the missing number: 48 + ____ = 70

    48 · 70 · Number bonds

  5. 5. Find the missing number: 34 + ____ = 81

    34 · 81 · Number bonds

  6. 6. Find the missing number: 6 + ____ = 84

    6 · 84 · Number bonds

  7. 7. Find the missing number: 12 + ____ = 62

    12 · 62 · Number bonds

  8. 8. Find the missing number: 18 + ____ = 70

    18 · 70 · Number bonds

  9. 9. Find the missing number: 56 + ____ = 62

    56 · 62 · Number bonds

  10. 10. Find the missing number: 25 + ____ = 29

    25 · 29 · Number bonds

  11. 11. Find the missing number: 31 + ____ = 55

    31 · 55 · Number bonds

  12. 12. Find the missing number: 9 + ____ = 24

    9 · 24 · Number bonds
12 questions · Seed 45 · 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: 76 + ____ = 78

    2

    Subtract 76 from 78: 78 − 76 = 2. Check: 76 + 2 = 78.

  2. 2. Find the missing number: 8 + ____ = 58

    50

    Subtract 8 from 58: 58 − 8 = 50. Check: 8 + 50 = 58.

  3. 3. Find the missing number: 25 + ____ = 41

    16

    Subtract 25 from 41: 41 − 25 = 16. Check: 25 + 16 = 41.

  4. 4. Find the missing number: 48 + ____ = 70

    22

    Subtract 48 from 70: 70 − 48 = 22. Check: 48 + 22 = 70.

  5. 5. Find the missing number: 34 + ____ = 81

    47

    Subtract 34 from 81: 81 − 34 = 47. Check: 34 + 47 = 81.

  6. 6. Find the missing number: 6 + ____ = 84

    78

    Subtract 6 from 84: 84 − 6 = 78. Check: 6 + 78 = 84.

  7. 7. Find the missing number: 12 + ____ = 62

    50

    Subtract 12 from 62: 62 − 12 = 50. Check: 12 + 50 = 62.

  8. 8. Find the missing number: 18 + ____ = 70

    52

    Subtract 18 from 70: 70 − 18 = 52. Check: 18 + 52 = 70.

  9. 9. Find the missing number: 56 + ____ = 62

    6

    Subtract 56 from 62: 62 − 56 = 6. Check: 56 + 6 = 62.

  10. 10. Find the missing number: 25 + ____ = 29

    4

    Subtract 25 from 29: 29 − 25 = 4. Check: 25 + 4 = 29.

  11. 11. Find the missing number: 31 + ____ = 55

    24

    Subtract 31 from 55: 55 − 31 = 24. Check: 31 + 24 = 55.

  12. 12. Find the missing number: 9 + ____ = 24

    15

    Subtract 9 from 24: 24 − 9 = 15. Check: 9 + 15 = 24.

12 questions · Seed 45 · 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: 76 + ____ = 78

    76 · 78 · Number bonds

  2. 2. Find the missing number: 8 + ____ = 58

    8 · 58 · Number bonds

  3. 3. Find the missing number: 25 + ____ = 41

    25 · 41 · Number bonds

  4. 4. Find the missing number: 48 + ____ = 70

    48 · 70 · Number bonds

  5. 5. Find the missing number: 34 + ____ = 81

    34 · 81 · Number bonds

  6. 6. Find the missing number: 6 + ____ = 84

    6 · 84 · Number bonds

  7. 7. Find the missing number: 12 + ____ = 62

    12 · 62 · Number bonds

  8. 8. Find the missing number: 18 + ____ = 70

    18 · 70 · Number bonds

  9. 9. Find the missing number: 56 + ____ = 62

    56 · 62 · Number bonds

  10. 10. Find the missing number: 25 + ____ = 29

    25 · 29 · Number bonds

  11. 11. Find the missing number: 31 + ____ = 55

    31 · 55 · Number bonds

  12. 12. Find the missing number: 9 + ____ = 24

    9 · 24 · Number bonds
12 questions · Seed 45 · 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: 76 + ____ = 78

    2

    Subtract 76 from 78: 78 − 76 = 2. Check: 76 + 2 = 78.

  2. 2. Find the missing number: 8 + ____ = 58

    50

    Subtract 8 from 58: 58 − 8 = 50. Check: 8 + 50 = 58.

  3. 3. Find the missing number: 25 + ____ = 41

    16

    Subtract 25 from 41: 41 − 25 = 16. Check: 25 + 16 = 41.

  4. 4. Find the missing number: 48 + ____ = 70

    22

    Subtract 48 from 70: 70 − 48 = 22. Check: 48 + 22 = 70.

  5. 5. Find the missing number: 34 + ____ = 81

    47

    Subtract 34 from 81: 81 − 34 = 47. Check: 34 + 47 = 81.

  6. 6. Find the missing number: 6 + ____ = 84

    78

    Subtract 6 from 84: 84 − 6 = 78. Check: 6 + 78 = 84.

  7. 7. Find the missing number: 12 + ____ = 62

    50

    Subtract 12 from 62: 62 − 12 = 50. Check: 12 + 50 = 62.

  8. 8. Find the missing number: 18 + ____ = 70

    52

    Subtract 18 from 70: 70 − 18 = 52. Check: 18 + 52 = 70.

  9. 9. Find the missing number: 56 + ____ = 62

    6

    Subtract 56 from 62: 62 − 56 = 6. Check: 56 + 6 = 62.

  10. 10. Find the missing number: 25 + ____ = 29

    4

    Subtract 25 from 29: 29 − 25 = 4. Check: 25 + 4 = 29.

  11. 11. Find the missing number: 31 + ____ = 55

    24

    Subtract 31 from 55: 55 − 31 = 24. Check: 31 + 24 = 55.

  12. 12. Find the missing number: 9 + ____ = 24

    15

    Subtract 9 from 24: 24 − 9 = 15. Check: 9 + 15 = 24.

12 questions · Seed 45 · Age guidance, not curriculum certification