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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 33?

    1 · 33 · One more & one less

  2. 2. What number is 1 less than 91?

    1 · 91 · One more & one less

  3. 3. What number is 1 less than 35?

    1 · 35 · One more & one less

  4. 4. What number is 1 more than 29?

    1 m · 29 · One more & one less

  5. 5. What number is 1 less than 34?

    1 · 34 · One more & one less

  6. 6. What number is 1 less than 44?

    1 · 44 · One more & one less

  7. 7. What number is 1 less than 75?

    1 · 75 · One more & one less

  8. 8. What number is 1 less than 93?

    1 · 93 · One more & one less

  9. 9. What number is 1 less than 21?

    1 · 21 · One more & one less

  10. 10. What number is 1 more than 32?

    1 m · 32 · One more & one less

  11. 11. What number is 1 less than 81?

    1 · 81 · One more & one less

  12. 12. What number is 1 less than 36?

    1 · 36 · One more & one less
12 questions · Seed 52 · 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 33?

    32

    1 less than 33 is 33 − 1 = 32.

  2. 2. What number is 1 less than 91?

    90

    1 less than 91 is 91 − 1 = 90.

  3. 3. What number is 1 less than 35?

    34

    1 less than 35 is 35 − 1 = 34.

  4. 4. What number is 1 more than 29?

    30

    1 more than 29 is 29 + 1 = 30.

  5. 5. What number is 1 less than 34?

    33

    1 less than 34 is 34 − 1 = 33.

  6. 6. What number is 1 less than 44?

    43

    1 less than 44 is 44 − 1 = 43.

  7. 7. What number is 1 less than 75?

    74

    1 less than 75 is 75 − 1 = 74.

  8. 8. What number is 1 less than 93?

    92

    1 less than 93 is 93 − 1 = 92.

  9. 9. What number is 1 less than 21?

    20

    1 less than 21 is 21 − 1 = 20.

  10. 10. What number is 1 more than 32?

    33

    1 more than 32 is 32 + 1 = 33.

  11. 11. What number is 1 less than 81?

    80

    1 less than 81 is 81 − 1 = 80.

  12. 12. What number is 1 less than 36?

    35

    1 less than 36 is 36 − 1 = 35.

12 questions · Seed 52 · 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 33?

    1 · 33 · One more & one less

  2. 2. What number is 1 less than 91?

    1 · 91 · One more & one less

  3. 3. What number is 1 less than 35?

    1 · 35 · One more & one less

  4. 4. What number is 1 more than 29?

    1 m · 29 · One more & one less

  5. 5. What number is 1 less than 34?

    1 · 34 · One more & one less

  6. 6. What number is 1 less than 44?

    1 · 44 · One more & one less

  7. 7. What number is 1 less than 75?

    1 · 75 · One more & one less

  8. 8. What number is 1 less than 93?

    1 · 93 · One more & one less

  9. 9. What number is 1 less than 21?

    1 · 21 · One more & one less

  10. 10. What number is 1 more than 32?

    1 m · 32 · One more & one less

  11. 11. What number is 1 less than 81?

    1 · 81 · One more & one less

  12. 12. What number is 1 less than 36?

    1 · 36 · One more & one less
12 questions · Seed 52 · 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 33?

    32

    1 less than 33 is 33 − 1 = 32.

  2. 2. What number is 1 less than 91?

    90

    1 less than 91 is 91 − 1 = 90.

  3. 3. What number is 1 less than 35?

    34

    1 less than 35 is 35 − 1 = 34.

  4. 4. What number is 1 more than 29?

    30

    1 more than 29 is 29 + 1 = 30.

  5. 5. What number is 1 less than 34?

    33

    1 less than 34 is 34 − 1 = 33.

  6. 6. What number is 1 less than 44?

    43

    1 less than 44 is 44 − 1 = 43.

  7. 7. What number is 1 less than 75?

    74

    1 less than 75 is 75 − 1 = 74.

  8. 8. What number is 1 less than 93?

    92

    1 less than 93 is 93 − 1 = 92.

  9. 9. What number is 1 less than 21?

    20

    1 less than 21 is 21 − 1 = 20.

  10. 10. What number is 1 more than 32?

    33

    1 more than 32 is 32 + 1 = 33.

  11. 11. What number is 1 less than 81?

    80

    1 less than 81 is 81 − 1 = 80.

  12. 12. What number is 1 less than 36?

    35

    1 less than 36 is 36 − 1 = 35.

12 questions · Seed 52 · Age guidance, not curriculum certification