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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: 55 + ____ = 79

    55 · 79 · Number bonds

  2. 2. Find the missing number: 4 + ____ = 32

    4 · 32 · Number bonds

  3. 3. Find the missing number: 49 + ____ = 62

    49 · 62 · Number bonds

  4. 4. Find the missing number: 27 + ____ = 76

    27 · 76 · Number bonds

  5. 5. Find the missing number: 19 + ____ = 35

    19 · 35 · Number bonds

  6. 6. Find the missing number: 24 + ____ = 53

    24 · 53 · Number bonds

  7. 7. Find the missing number: 38 + ____ = 39

    38 · 39 · Number bonds

  8. 8. Find the missing number: 12 + ____ = 25

    12 · 25 · Number bonds

  9. 9. Find the missing number: 14 + ____ = 76

    14 · 76 · Number bonds

  10. 10. Find the missing number: 18 + ____ = 64

    18 · 64 · Number bonds

  11. 11. Find the missing number: 2 + ____ = 20

    2 · 20 · Number bonds

  12. 12. Find the missing number: 37 + ____ = 52

    37 · 52 · Number bonds
12 questions · Seed 47 · 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: 55 + ____ = 79

    24

    Subtract 55 from 79: 79 − 55 = 24. Check: 55 + 24 = 79.

  2. 2. Find the missing number: 4 + ____ = 32

    28

    Subtract 4 from 32: 32 − 4 = 28. Check: 4 + 28 = 32.

  3. 3. Find the missing number: 49 + ____ = 62

    13

    Subtract 49 from 62: 62 − 49 = 13. Check: 49 + 13 = 62.

  4. 4. Find the missing number: 27 + ____ = 76

    49

    Subtract 27 from 76: 76 − 27 = 49. Check: 27 + 49 = 76.

  5. 5. Find the missing number: 19 + ____ = 35

    16

    Subtract 19 from 35: 35 − 19 = 16. Check: 19 + 16 = 35.

  6. 6. Find the missing number: 24 + ____ = 53

    29

    Subtract 24 from 53: 53 − 24 = 29. Check: 24 + 29 = 53.

  7. 7. Find the missing number: 38 + ____ = 39

    1

    Subtract 38 from 39: 39 − 38 = 1. Check: 38 + 1 = 39.

  8. 8. Find the missing number: 12 + ____ = 25

    13

    Subtract 12 from 25: 25 − 12 = 13. Check: 12 + 13 = 25.

  9. 9. Find the missing number: 14 + ____ = 76

    62

    Subtract 14 from 76: 76 − 14 = 62. Check: 14 + 62 = 76.

  10. 10. Find the missing number: 18 + ____ = 64

    46

    Subtract 18 from 64: 64 − 18 = 46. Check: 18 + 46 = 64.

  11. 11. Find the missing number: 2 + ____ = 20

    18

    Subtract 2 from 20: 20 − 2 = 18. Check: 2 + 18 = 20.

  12. 12. Find the missing number: 37 + ____ = 52

    15

    Subtract 37 from 52: 52 − 37 = 15. Check: 37 + 15 = 52.

12 questions · Seed 47 · 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: 55 + ____ = 79

    55 · 79 · Number bonds

  2. 2. Find the missing number: 4 + ____ = 32

    4 · 32 · Number bonds

  3. 3. Find the missing number: 49 + ____ = 62

    49 · 62 · Number bonds

  4. 4. Find the missing number: 27 + ____ = 76

    27 · 76 · Number bonds

  5. 5. Find the missing number: 19 + ____ = 35

    19 · 35 · Number bonds

  6. 6. Find the missing number: 24 + ____ = 53

    24 · 53 · Number bonds

  7. 7. Find the missing number: 38 + ____ = 39

    38 · 39 · Number bonds

  8. 8. Find the missing number: 12 + ____ = 25

    12 · 25 · Number bonds

  9. 9. Find the missing number: 14 + ____ = 76

    14 · 76 · Number bonds

  10. 10. Find the missing number: 18 + ____ = 64

    18 · 64 · Number bonds

  11. 11. Find the missing number: 2 + ____ = 20

    2 · 20 · Number bonds

  12. 12. Find the missing number: 37 + ____ = 52

    37 · 52 · Number bonds
12 questions · Seed 47 · 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: 55 + ____ = 79

    24

    Subtract 55 from 79: 79 − 55 = 24. Check: 55 + 24 = 79.

  2. 2. Find the missing number: 4 + ____ = 32

    28

    Subtract 4 from 32: 32 − 4 = 28. Check: 4 + 28 = 32.

  3. 3. Find the missing number: 49 + ____ = 62

    13

    Subtract 49 from 62: 62 − 49 = 13. Check: 49 + 13 = 62.

  4. 4. Find the missing number: 27 + ____ = 76

    49

    Subtract 27 from 76: 76 − 27 = 49. Check: 27 + 49 = 76.

  5. 5. Find the missing number: 19 + ____ = 35

    16

    Subtract 19 from 35: 35 − 19 = 16. Check: 19 + 16 = 35.

  6. 6. Find the missing number: 24 + ____ = 53

    29

    Subtract 24 from 53: 53 − 24 = 29. Check: 24 + 29 = 53.

  7. 7. Find the missing number: 38 + ____ = 39

    1

    Subtract 38 from 39: 39 − 38 = 1. Check: 38 + 1 = 39.

  8. 8. Find the missing number: 12 + ____ = 25

    13

    Subtract 12 from 25: 25 − 12 = 13. Check: 12 + 13 = 25.

  9. 9. Find the missing number: 14 + ____ = 76

    62

    Subtract 14 from 76: 76 − 14 = 62. Check: 14 + 62 = 76.

  10. 10. Find the missing number: 18 + ____ = 64

    46

    Subtract 18 from 64: 64 − 18 = 46. Check: 18 + 46 = 64.

  11. 11. Find the missing number: 2 + ____ = 20

    18

    Subtract 2 from 20: 20 − 2 = 18. Check: 2 + 18 = 20.

  12. 12. Find the missing number: 37 + ____ = 52

    15

    Subtract 37 from 52: 52 − 37 = 15. Check: 37 + 15 = 52.

12 questions · Seed 47 · Age guidance, not curriculum certification