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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: 41 + ____ = 62

    41 · 62 · Number bonds

  2. 2. Find the missing number: 39 + ____ = 85

    39 · 85 · Number bonds

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

    5 · 35 · Number bonds

  4. 4. Find the missing number: 6 + ____ = 75

    6 · 75 · Number bonds

  5. 5. Find the missing number: 7 + ____ = 56

    7 · 56 · Number bonds

  6. 6. Find the missing number: 12 + ____ = 51

    12 · 51 · Number bonds

  7. 7. Find the missing number: 2 + ____ = 21

    2 · 21 · Number bonds

  8. 8. Find the missing number: 56 + ____ = 98

    56 · 98 · Number bonds

  9. 9. Find the missing number: 15 + ____ = 20

    15 · 20 · Number bonds

  10. 10. Find the missing number: 3 + ____ = 26

    3 · 26 · Number bonds

  11. 11. Find the missing number: 13 + ____ = 24

    13 · 24 · Number bonds

  12. 12. Find the missing number: 55 + ____ = 85

    55 · 85 · Number bonds
12 questions · Seed 104732 · 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: 41 + ____ = 62

    21

    Subtract 41 from 62: 62 − 41 = 21. Check: 41 + 21 = 62.

  2. 2. Find the missing number: 39 + ____ = 85

    46

    Subtract 39 from 85: 85 − 39 = 46. Check: 39 + 46 = 85.

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

    30

    Subtract 5 from 35: 35 − 5 = 30. Check: 5 + 30 = 35.

  4. 4. Find the missing number: 6 + ____ = 75

    69

    Subtract 6 from 75: 75 − 6 = 69. Check: 6 + 69 = 75.

  5. 5. Find the missing number: 7 + ____ = 56

    49

    Subtract 7 from 56: 56 − 7 = 49. Check: 7 + 49 = 56.

  6. 6. Find the missing number: 12 + ____ = 51

    39

    Subtract 12 from 51: 51 − 12 = 39. Check: 12 + 39 = 51.

  7. 7. Find the missing number: 2 + ____ = 21

    19

    Subtract 2 from 21: 21 − 2 = 19. Check: 2 + 19 = 21.

  8. 8. Find the missing number: 56 + ____ = 98

    42

    Subtract 56 from 98: 98 − 56 = 42. Check: 56 + 42 = 98.

  9. 9. Find the missing number: 15 + ____ = 20

    5

    Subtract 15 from 20: 20 − 15 = 5. Check: 15 + 5 = 20.

  10. 10. Find the missing number: 3 + ____ = 26

    23

    Subtract 3 from 26: 26 − 3 = 23. Check: 3 + 23 = 26.

  11. 11. Find the missing number: 13 + ____ = 24

    11

    Subtract 13 from 24: 24 − 13 = 11. Check: 13 + 11 = 24.

  12. 12. Find the missing number: 55 + ____ = 85

    30

    Subtract 55 from 85: 85 − 55 = 30. Check: 55 + 30 = 85.

12 questions · Seed 104732 · 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: 41 + ____ = 62

    41 · 62 · Number bonds

  2. 2. Find the missing number: 39 + ____ = 85

    39 · 85 · Number bonds

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

    5 · 35 · Number bonds

  4. 4. Find the missing number: 6 + ____ = 75

    6 · 75 · Number bonds

  5. 5. Find the missing number: 7 + ____ = 56

    7 · 56 · Number bonds

  6. 6. Find the missing number: 12 + ____ = 51

    12 · 51 · Number bonds

  7. 7. Find the missing number: 2 + ____ = 21

    2 · 21 · Number bonds

  8. 8. Find the missing number: 56 + ____ = 98

    56 · 98 · Number bonds

  9. 9. Find the missing number: 15 + ____ = 20

    15 · 20 · Number bonds

  10. 10. Find the missing number: 3 + ____ = 26

    3 · 26 · Number bonds

  11. 11. Find the missing number: 13 + ____ = 24

    13 · 24 · Number bonds

  12. 12. Find the missing number: 55 + ____ = 85

    55 · 85 · Number bonds
12 questions · Seed 104732 · 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: 41 + ____ = 62

    21

    Subtract 41 from 62: 62 − 41 = 21. Check: 41 + 21 = 62.

  2. 2. Find the missing number: 39 + ____ = 85

    46

    Subtract 39 from 85: 85 − 39 = 46. Check: 39 + 46 = 85.

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

    30

    Subtract 5 from 35: 35 − 5 = 30. Check: 5 + 30 = 35.

  4. 4. Find the missing number: 6 + ____ = 75

    69

    Subtract 6 from 75: 75 − 6 = 69. Check: 6 + 69 = 75.

  5. 5. Find the missing number: 7 + ____ = 56

    49

    Subtract 7 from 56: 56 − 7 = 49. Check: 7 + 49 = 56.

  6. 6. Find the missing number: 12 + ____ = 51

    39

    Subtract 12 from 51: 51 − 12 = 39. Check: 12 + 39 = 51.

  7. 7. Find the missing number: 2 + ____ = 21

    19

    Subtract 2 from 21: 21 − 2 = 19. Check: 2 + 19 = 21.

  8. 8. Find the missing number: 56 + ____ = 98

    42

    Subtract 56 from 98: 98 − 56 = 42. Check: 56 + 42 = 98.

  9. 9. Find the missing number: 15 + ____ = 20

    5

    Subtract 15 from 20: 20 − 15 = 5. Check: 15 + 5 = 20.

  10. 10. Find the missing number: 3 + ____ = 26

    23

    Subtract 3 from 26: 26 − 3 = 23. Check: 3 + 23 = 26.

  11. 11. Find the missing number: 13 + ____ = 24

    11

    Subtract 13 from 24: 24 − 13 = 11. Check: 13 + 11 = 24.

  12. 12. Find the missing number: 55 + ____ = 85

    30

    Subtract 55 from 85: 85 − 55 = 30. Check: 55 + 30 = 85.

12 questions · Seed 104732 · Age guidance, not curriculum certification