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MathsAges 7-9

One more & one less

Find the number that is 1, 2 or 10 more or less than a given 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

One more & one less

Take your time. Show your thinking.

  1. 1. What number is 1 less than 87?

    1 · 87 · One more & one less

  2. 2. What number is 1 less than 70?

    1 · 70 · One more & one less

  3. 3. What number is 1 less than 92?

    1 · 92 · One more & one less

  4. 4. What number is 1 less than 39?

    1 · 39 · One more & one less

  5. 5. What number is 1 more than 28?

    1 m · 28 · One more & one less

  6. 6. What number is 1 more than 86?

    1 m · 86 · One more & one less

  7. 7. What number is 1 less than 59?

    1 · 59 · One more & one less

  8. 8. What number is 1 less than 89?

    1 · 89 · One more & one less

  9. 9. What number is 1 more than 91?

    1 m · 91 · One more & one less

  10. 10. What number is 1 less than 84?

    1 · 84 · One more & one less

  11. 11. What number is 1 more than 73?

    1 m · 73 · One more & one less

  12. 12. What number is 1 more than 62?

    1 m · 62 · One more & one less
12 questions · Seed 44 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 7-9

One more & one less

Answers and reasoning. Review before teaching.

  1. 1. What number is 1 less than 87?

    86

    1 less than 87 is 87 − 1 = 86.

  2. 2. What number is 1 less than 70?

    69

    1 less than 70 is 70 − 1 = 69.

  3. 3. What number is 1 less than 92?

    91

    1 less than 92 is 92 − 1 = 91.

  4. 4. What number is 1 less than 39?

    38

    1 less than 39 is 39 − 1 = 38.

  5. 5. What number is 1 more than 28?

    29

    1 more than 28 is 28 + 1 = 29.

  6. 6. What number is 1 more than 86?

    87

    1 more than 86 is 86 + 1 = 87.

  7. 7. What number is 1 less than 59?

    58

    1 less than 59 is 59 − 1 = 58.

  8. 8. What number is 1 less than 89?

    88

    1 less than 89 is 89 − 1 = 88.

  9. 9. What number is 1 more than 91?

    92

    1 more than 91 is 91 + 1 = 92.

  10. 10. What number is 1 less than 84?

    83

    1 less than 84 is 84 − 1 = 83.

  11. 11. What number is 1 more than 73?

    74

    1 more than 73 is 73 + 1 = 74.

  12. 12. What number is 1 more than 62?

    63

    1 more than 62 is 62 + 1 = 63.

12 questions · Seed 44 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 7-9

One more & one less

Take your time. Show your thinking.

  1. 1. What number is 1 less than 87?

    1 · 87 · One more & one less

  2. 2. What number is 1 less than 70?

    1 · 70 · One more & one less

  3. 3. What number is 1 less than 92?

    1 · 92 · One more & one less

  4. 4. What number is 1 less than 39?

    1 · 39 · One more & one less

  5. 5. What number is 1 more than 28?

    1 m · 28 · One more & one less

  6. 6. What number is 1 more than 86?

    1 m · 86 · One more & one less

  7. 7. What number is 1 less than 59?

    1 · 59 · One more & one less

  8. 8. What number is 1 less than 89?

    1 · 89 · One more & one less

  9. 9. What number is 1 more than 91?

    1 m · 91 · One more & one less

  10. 10. What number is 1 less than 84?

    1 · 84 · One more & one less

  11. 11. What number is 1 more than 73?

    1 m · 73 · One more & one less

  12. 12. What number is 1 more than 62?

    1 m · 62 · One more & one less
12 questions · Seed 44 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 7-9

One more & one less

Answers and reasoning. Review before teaching.

  1. 1. What number is 1 less than 87?

    86

    1 less than 87 is 87 − 1 = 86.

  2. 2. What number is 1 less than 70?

    69

    1 less than 70 is 70 − 1 = 69.

  3. 3. What number is 1 less than 92?

    91

    1 less than 92 is 92 − 1 = 91.

  4. 4. What number is 1 less than 39?

    38

    1 less than 39 is 39 − 1 = 38.

  5. 5. What number is 1 more than 28?

    29

    1 more than 28 is 28 + 1 = 29.

  6. 6. What number is 1 more than 86?

    87

    1 more than 86 is 86 + 1 = 87.

  7. 7. What number is 1 less than 59?

    58

    1 less than 59 is 59 − 1 = 58.

  8. 8. What number is 1 less than 89?

    88

    1 less than 89 is 89 − 1 = 88.

  9. 9. What number is 1 more than 91?

    92

    1 more than 91 is 91 + 1 = 92.

  10. 10. What number is 1 less than 84?

    83

    1 less than 84 is 84 − 1 = 83.

  11. 11. What number is 1 more than 73?

    74

    1 more than 73 is 73 + 1 = 74.

  12. 12. What number is 1 more than 62?

    63

    1 more than 62 is 62 + 1 = 63.

12 questions · Seed 44 · Age guidance, not curriculum certification