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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: 28 + ____ = 98

    28 · 98 · Number bonds

  2. 2. Find the missing number: 55 + ____ = 69

    55 · 69 · Number bonds

  3. 3. Find the missing number: 2 + ____ = 39

    2 · 39 · Number bonds

  4. 4. Find the missing number: 10 + ____ = 78

    10 · 78 · Number bonds

  5. 5. Find the missing number: 61 + ____ = 88

    61 · 88 · Number bonds

  6. 6. Find the missing number: 39 + ____ = 44

    39 · 44 · Number bonds

  7. 7. Find the missing number: 13 + ____ = 45

    13 · 45 · Number bonds

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

    9 · 24 · Number bonds

  9. 9. Find the missing number: 4 + ____ = 31

    4 · 31 · Number bonds

  10. 10. Find the missing number: 6 + ____ = 63

    6 · 63 · Number bonds

  11. 11. Find the missing number: 27 + ____ = 33

    27 · 33 · Number bonds

  12. 12. Find the missing number: 13 + ____ = 98

    13 · 98 · Number bonds
12 questions · Seed 104733 · 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: 28 + ____ = 98

    70

    Subtract 28 from 98: 98 − 28 = 70. Check: 28 + 70 = 98.

  2. 2. Find the missing number: 55 + ____ = 69

    14

    Subtract 55 from 69: 69 − 55 = 14. Check: 55 + 14 = 69.

  3. 3. Find the missing number: 2 + ____ = 39

    37

    Subtract 2 from 39: 39 − 2 = 37. Check: 2 + 37 = 39.

  4. 4. Find the missing number: 10 + ____ = 78

    68

    Subtract 10 from 78: 78 − 10 = 68. Check: 10 + 68 = 78.

  5. 5. Find the missing number: 61 + ____ = 88

    27

    Subtract 61 from 88: 88 − 61 = 27. Check: 61 + 27 = 88.

  6. 6. Find the missing number: 39 + ____ = 44

    5

    Subtract 39 from 44: 44 − 39 = 5. Check: 39 + 5 = 44.

  7. 7. Find the missing number: 13 + ____ = 45

    32

    Subtract 13 from 45: 45 − 13 = 32. Check: 13 + 32 = 45.

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

    15

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

  9. 9. Find the missing number: 4 + ____ = 31

    27

    Subtract 4 from 31: 31 − 4 = 27. Check: 4 + 27 = 31.

  10. 10. Find the missing number: 6 + ____ = 63

    57

    Subtract 6 from 63: 63 − 6 = 57. Check: 6 + 57 = 63.

  11. 11. Find the missing number: 27 + ____ = 33

    6

    Subtract 27 from 33: 33 − 27 = 6. Check: 27 + 6 = 33.

  12. 12. Find the missing number: 13 + ____ = 98

    85

    Subtract 13 from 98: 98 − 13 = 85. Check: 13 + 85 = 98.

12 questions · Seed 104733 · 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: 28 + ____ = 98

    28 · 98 · Number bonds

  2. 2. Find the missing number: 55 + ____ = 69

    55 · 69 · Number bonds

  3. 3. Find the missing number: 2 + ____ = 39

    2 · 39 · Number bonds

  4. 4. Find the missing number: 10 + ____ = 78

    10 · 78 · Number bonds

  5. 5. Find the missing number: 61 + ____ = 88

    61 · 88 · Number bonds

  6. 6. Find the missing number: 39 + ____ = 44

    39 · 44 · Number bonds

  7. 7. Find the missing number: 13 + ____ = 45

    13 · 45 · Number bonds

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

    9 · 24 · Number bonds

  9. 9. Find the missing number: 4 + ____ = 31

    4 · 31 · Number bonds

  10. 10. Find the missing number: 6 + ____ = 63

    6 · 63 · Number bonds

  11. 11. Find the missing number: 27 + ____ = 33

    27 · 33 · Number bonds

  12. 12. Find the missing number: 13 + ____ = 98

    13 · 98 · Number bonds
12 questions · Seed 104733 · 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: 28 + ____ = 98

    70

    Subtract 28 from 98: 98 − 28 = 70. Check: 28 + 70 = 98.

  2. 2. Find the missing number: 55 + ____ = 69

    14

    Subtract 55 from 69: 69 − 55 = 14. Check: 55 + 14 = 69.

  3. 3. Find the missing number: 2 + ____ = 39

    37

    Subtract 2 from 39: 39 − 2 = 37. Check: 2 + 37 = 39.

  4. 4. Find the missing number: 10 + ____ = 78

    68

    Subtract 10 from 78: 78 − 10 = 68. Check: 10 + 68 = 78.

  5. 5. Find the missing number: 61 + ____ = 88

    27

    Subtract 61 from 88: 88 − 61 = 27. Check: 61 + 27 = 88.

  6. 6. Find the missing number: 39 + ____ = 44

    5

    Subtract 39 from 44: 44 − 39 = 5. Check: 39 + 5 = 44.

  7. 7. Find the missing number: 13 + ____ = 45

    32

    Subtract 13 from 45: 45 − 13 = 32. Check: 13 + 32 = 45.

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

    15

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

  9. 9. Find the missing number: 4 + ____ = 31

    27

    Subtract 4 from 31: 31 − 4 = 27. Check: 4 + 27 = 31.

  10. 10. Find the missing number: 6 + ____ = 63

    57

    Subtract 6 from 63: 63 − 6 = 57. Check: 6 + 57 = 63.

  11. 11. Find the missing number: 27 + ____ = 33

    6

    Subtract 27 from 33: 33 − 27 = 6. Check: 27 + 6 = 33.

  12. 12. Find the missing number: 13 + ____ = 98

    85

    Subtract 13 from 98: 98 − 13 = 85. Check: 13 + 85 = 98.

12 questions · Seed 104733 · Age guidance, not curriculum certification