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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: 37 + ____ = 68

    37 · 68 · Number bonds

  2. 2. Find the missing number: 45 + ____ = 68

    45 · 68 · Number bonds

  3. 3. Find the missing number: 7 + ____ = 66

    7 · 66 · Number bonds

  4. 4. Find the missing number: 38 + ____ = 97

    38 · 97 · Number bonds

  5. 5. Find the missing number: 34 + ____ = 47

    34 · 47 · Number bonds

  6. 6. Find the missing number: 24 + ____ = 100

    24 · 100 · Number bonds

  7. 7. Find the missing number: 23 + ____ = 87

    23 · 87 · Number bonds

  8. 8. Find the missing number: 57 + ____ = 73

    57 · 73 · Number bonds

  9. 9. Find the missing number: 23 + ____ = 55

    23 · 55 · Number bonds

  10. 10. Find the missing number: 47 + ____ = 68

    47 · 68 · Number bonds

  11. 11. Find the missing number: 27 + ____ = 62

    27 · 62 · Number bonds

  12. 12. Find the missing number: 7 + ____ = 26

    7 · 26 · Number bonds
12 questions · Seed 53 · 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 + ____ = 68

    31

    Subtract 37 from 68: 68 − 37 = 31. Check: 37 + 31 = 68.

  2. 2. Find the missing number: 45 + ____ = 68

    23

    Subtract 45 from 68: 68 − 45 = 23. Check: 45 + 23 = 68.

  3. 3. Find the missing number: 7 + ____ = 66

    59

    Subtract 7 from 66: 66 − 7 = 59. Check: 7 + 59 = 66.

  4. 4. Find the missing number: 38 + ____ = 97

    59

    Subtract 38 from 97: 97 − 38 = 59. Check: 38 + 59 = 97.

  5. 5. Find the missing number: 34 + ____ = 47

    13

    Subtract 34 from 47: 47 − 34 = 13. Check: 34 + 13 = 47.

  6. 6. Find the missing number: 24 + ____ = 100

    76

    Subtract 24 from 100: 100 − 24 = 76. Check: 24 + 76 = 100.

  7. 7. Find the missing number: 23 + ____ = 87

    64

    Subtract 23 from 87: 87 − 23 = 64. Check: 23 + 64 = 87.

  8. 8. Find the missing number: 57 + ____ = 73

    16

    Subtract 57 from 73: 73 − 57 = 16. Check: 57 + 16 = 73.

  9. 9. Find the missing number: 23 + ____ = 55

    32

    Subtract 23 from 55: 55 − 23 = 32. Check: 23 + 32 = 55.

  10. 10. Find the missing number: 47 + ____ = 68

    21

    Subtract 47 from 68: 68 − 47 = 21. Check: 47 + 21 = 68.

  11. 11. Find the missing number: 27 + ____ = 62

    35

    Subtract 27 from 62: 62 − 27 = 35. Check: 27 + 35 = 62.

  12. 12. Find the missing number: 7 + ____ = 26

    19

    Subtract 7 from 26: 26 − 7 = 19. Check: 7 + 19 = 26.

12 questions · Seed 53 · 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: 37 + ____ = 68

    37 · 68 · Number bonds

  2. 2. Find the missing number: 45 + ____ = 68

    45 · 68 · Number bonds

  3. 3. Find the missing number: 7 + ____ = 66

    7 · 66 · Number bonds

  4. 4. Find the missing number: 38 + ____ = 97

    38 · 97 · Number bonds

  5. 5. Find the missing number: 34 + ____ = 47

    34 · 47 · Number bonds

  6. 6. Find the missing number: 24 + ____ = 100

    24 · 100 · Number bonds

  7. 7. Find the missing number: 23 + ____ = 87

    23 · 87 · Number bonds

  8. 8. Find the missing number: 57 + ____ = 73

    57 · 73 · Number bonds

  9. 9. Find the missing number: 23 + ____ = 55

    23 · 55 · Number bonds

  10. 10. Find the missing number: 47 + ____ = 68

    47 · 68 · Number bonds

  11. 11. Find the missing number: 27 + ____ = 62

    27 · 62 · Number bonds

  12. 12. Find the missing number: 7 + ____ = 26

    7 · 26 · Number bonds
12 questions · Seed 53 · 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: 37 + ____ = 68

    31

    Subtract 37 from 68: 68 − 37 = 31. Check: 37 + 31 = 68.

  2. 2. Find the missing number: 45 + ____ = 68

    23

    Subtract 45 from 68: 68 − 45 = 23. Check: 45 + 23 = 68.

  3. 3. Find the missing number: 7 + ____ = 66

    59

    Subtract 7 from 66: 66 − 7 = 59. Check: 7 + 59 = 66.

  4. 4. Find the missing number: 38 + ____ = 97

    59

    Subtract 38 from 97: 97 − 38 = 59. Check: 38 + 59 = 97.

  5. 5. Find the missing number: 34 + ____ = 47

    13

    Subtract 34 from 47: 47 − 34 = 13. Check: 34 + 13 = 47.

  6. 6. Find the missing number: 24 + ____ = 100

    76

    Subtract 24 from 100: 100 − 24 = 76. Check: 24 + 76 = 100.

  7. 7. Find the missing number: 23 + ____ = 87

    64

    Subtract 23 from 87: 87 − 23 = 64. Check: 23 + 64 = 87.

  8. 8. Find the missing number: 57 + ____ = 73

    16

    Subtract 57 from 73: 73 − 57 = 16. Check: 57 + 16 = 73.

  9. 9. Find the missing number: 23 + ____ = 55

    32

    Subtract 23 from 55: 55 − 23 = 32. Check: 23 + 32 = 55.

  10. 10. Find the missing number: 47 + ____ = 68

    21

    Subtract 47 from 68: 68 − 47 = 21. Check: 47 + 21 = 68.

  11. 11. Find the missing number: 27 + ____ = 62

    35

    Subtract 27 from 62: 62 − 27 = 35. Check: 27 + 35 = 62.

  12. 12. Find the missing number: 7 + ____ = 26

    19

    Subtract 7 from 26: 26 − 7 = 19. Check: 7 + 19 = 26.

12 questions · Seed 53 · Age guidance, not curriculum certification