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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: 75 + ____ = 93

    75 · 93 · Number bonds

  2. 2. Find the missing number: 12 + ____ = 63

    12 · 63 · Number bonds

  3. 3. Find the missing number: 25 + ____ = 65

    25 · 65 · Number bonds

  4. 4. Find the missing number: 21 + ____ = 43

    21 · 43 · Number bonds

  5. 5. Find the missing number: 1 + ____ = 91

    1 · 91 · Number bonds

  6. 6. Find the missing number: 3 + ____ = 54

    3 · 54 · Number bonds

  7. 7. Find the missing number: 38 + ____ = 95

    38 · 95 · Number bonds

  8. 8. Find the missing number: 11 + ____ = 76

    11 · 76 · Number bonds

  9. 9. Find the missing number: 53 + ____ = 80

    53 · 80 · Number bonds

  10. 10. Find the missing number: 6 + ____ = 64

    6 · 64 · Number bonds

  11. 11. Find the missing number: 6 + ____ = 77

    6 · 77 · Number bonds

  12. 12. Find the missing number: 7 + ____ = 47

    7 · 47 · Number bonds
12 questions · Seed 50 · 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: 75 + ____ = 93

    18

    Subtract 75 from 93: 93 − 75 = 18. Check: 75 + 18 = 93.

  2. 2. Find the missing number: 12 + ____ = 63

    51

    Subtract 12 from 63: 63 − 12 = 51. Check: 12 + 51 = 63.

  3. 3. Find the missing number: 25 + ____ = 65

    40

    Subtract 25 from 65: 65 − 25 = 40. Check: 25 + 40 = 65.

  4. 4. Find the missing number: 21 + ____ = 43

    22

    Subtract 21 from 43: 43 − 21 = 22. Check: 21 + 22 = 43.

  5. 5. Find the missing number: 1 + ____ = 91

    90

    Subtract 1 from 91: 91 − 1 = 90. Check: 1 + 90 = 91.

  6. 6. Find the missing number: 3 + ____ = 54

    51

    Subtract 3 from 54: 54 − 3 = 51. Check: 3 + 51 = 54.

  7. 7. Find the missing number: 38 + ____ = 95

    57

    Subtract 38 from 95: 95 − 38 = 57. Check: 38 + 57 = 95.

  8. 8. Find the missing number: 11 + ____ = 76

    65

    Subtract 11 from 76: 76 − 11 = 65. Check: 11 + 65 = 76.

  9. 9. Find the missing number: 53 + ____ = 80

    27

    Subtract 53 from 80: 80 − 53 = 27. Check: 53 + 27 = 80.

  10. 10. Find the missing number: 6 + ____ = 64

    58

    Subtract 6 from 64: 64 − 6 = 58. Check: 6 + 58 = 64.

  11. 11. Find the missing number: 6 + ____ = 77

    71

    Subtract 6 from 77: 77 − 6 = 71. Check: 6 + 71 = 77.

  12. 12. Find the missing number: 7 + ____ = 47

    40

    Subtract 7 from 47: 47 − 7 = 40. Check: 7 + 40 = 47.

12 questions · Seed 50 · 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: 75 + ____ = 93

    75 · 93 · Number bonds

  2. 2. Find the missing number: 12 + ____ = 63

    12 · 63 · Number bonds

  3. 3. Find the missing number: 25 + ____ = 65

    25 · 65 · Number bonds

  4. 4. Find the missing number: 21 + ____ = 43

    21 · 43 · Number bonds

  5. 5. Find the missing number: 1 + ____ = 91

    1 · 91 · Number bonds

  6. 6. Find the missing number: 3 + ____ = 54

    3 · 54 · Number bonds

  7. 7. Find the missing number: 38 + ____ = 95

    38 · 95 · Number bonds

  8. 8. Find the missing number: 11 + ____ = 76

    11 · 76 · Number bonds

  9. 9. Find the missing number: 53 + ____ = 80

    53 · 80 · Number bonds

  10. 10. Find the missing number: 6 + ____ = 64

    6 · 64 · Number bonds

  11. 11. Find the missing number: 6 + ____ = 77

    6 · 77 · Number bonds

  12. 12. Find the missing number: 7 + ____ = 47

    7 · 47 · Number bonds
12 questions · Seed 50 · 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: 75 + ____ = 93

    18

    Subtract 75 from 93: 93 − 75 = 18. Check: 75 + 18 = 93.

  2. 2. Find the missing number: 12 + ____ = 63

    51

    Subtract 12 from 63: 63 − 12 = 51. Check: 12 + 51 = 63.

  3. 3. Find the missing number: 25 + ____ = 65

    40

    Subtract 25 from 65: 65 − 25 = 40. Check: 25 + 40 = 65.

  4. 4. Find the missing number: 21 + ____ = 43

    22

    Subtract 21 from 43: 43 − 21 = 22. Check: 21 + 22 = 43.

  5. 5. Find the missing number: 1 + ____ = 91

    90

    Subtract 1 from 91: 91 − 1 = 90. Check: 1 + 90 = 91.

  6. 6. Find the missing number: 3 + ____ = 54

    51

    Subtract 3 from 54: 54 − 3 = 51. Check: 3 + 51 = 54.

  7. 7. Find the missing number: 38 + ____ = 95

    57

    Subtract 38 from 95: 95 − 38 = 57. Check: 38 + 57 = 95.

  8. 8. Find the missing number: 11 + ____ = 76

    65

    Subtract 11 from 76: 76 − 11 = 65. Check: 11 + 65 = 76.

  9. 9. Find the missing number: 53 + ____ = 80

    27

    Subtract 53 from 80: 80 − 53 = 27. Check: 53 + 27 = 80.

  10. 10. Find the missing number: 6 + ____ = 64

    58

    Subtract 6 from 64: 64 − 6 = 58. Check: 6 + 58 = 64.

  11. 11. Find the missing number: 6 + ____ = 77

    71

    Subtract 6 from 77: 77 − 6 = 71. Check: 6 + 71 = 77.

  12. 12. Find the missing number: 7 + ____ = 47

    40

    Subtract 7 from 47: 47 − 7 = 40. Check: 7 + 40 = 47.

12 questions · Seed 50 · Age guidance, not curriculum certification