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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 73?

    1 · 73 · One more & one less

  2. 2. What number is 1 more than 40?

    1 m · 40 · One more & one less

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

    1 · 91 · One more & one less

  4. 4. What number is 1 more than 76?

    1 m · 76 · One more & one less

  5. 5. What number is 1 less than 15?

    1 · 15 · One more & one less

  6. 6. What number is 1 less than 47?

    1 · 47 · One more & one less

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

    1 · 34 · One more & one less

  8. 8. What number is 1 more than 33?

    1 m · 33 · One more & one less

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

    1 · 44 · One more & one less

  10. 10. What number is 1 less than 69?

    1 · 69 · One more & one less

  11. 11. What number is 1 more than 22?

    1 m · 22 · One more & one less

  12. 12. What number is 1 less than 55?

    1 · 55 · One more & one less
12 questions · Seed 46 · 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 73?

    72

    1 less than 73 is 73 − 1 = 72.

  2. 2. What number is 1 more than 40?

    41

    1 more than 40 is 40 + 1 = 41.

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

    90

    1 less than 91 is 91 − 1 = 90.

  4. 4. What number is 1 more than 76?

    77

    1 more than 76 is 76 + 1 = 77.

  5. 5. What number is 1 less than 15?

    14

    1 less than 15 is 15 − 1 = 14.

  6. 6. What number is 1 less than 47?

    46

    1 less than 47 is 47 − 1 = 46.

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

    33

    1 less than 34 is 34 − 1 = 33.

  8. 8. What number is 1 more than 33?

    34

    1 more than 33 is 33 + 1 = 34.

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

    43

    1 less than 44 is 44 − 1 = 43.

  10. 10. What number is 1 less than 69?

    68

    1 less than 69 is 69 − 1 = 68.

  11. 11. What number is 1 more than 22?

    23

    1 more than 22 is 22 + 1 = 23.

  12. 12. What number is 1 less than 55?

    54

    1 less than 55 is 55 − 1 = 54.

12 questions · Seed 46 · 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 73?

    1 · 73 · One more & one less

  2. 2. What number is 1 more than 40?

    1 m · 40 · One more & one less

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

    1 · 91 · One more & one less

  4. 4. What number is 1 more than 76?

    1 m · 76 · One more & one less

  5. 5. What number is 1 less than 15?

    1 · 15 · One more & one less

  6. 6. What number is 1 less than 47?

    1 · 47 · One more & one less

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

    1 · 34 · One more & one less

  8. 8. What number is 1 more than 33?

    1 m · 33 · One more & one less

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

    1 · 44 · One more & one less

  10. 10. What number is 1 less than 69?

    1 · 69 · One more & one less

  11. 11. What number is 1 more than 22?

    1 m · 22 · One more & one less

  12. 12. What number is 1 less than 55?

    1 · 55 · One more & one less
12 questions · Seed 46 · 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 73?

    72

    1 less than 73 is 73 − 1 = 72.

  2. 2. What number is 1 more than 40?

    41

    1 more than 40 is 40 + 1 = 41.

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

    90

    1 less than 91 is 91 − 1 = 90.

  4. 4. What number is 1 more than 76?

    77

    1 more than 76 is 76 + 1 = 77.

  5. 5. What number is 1 less than 15?

    14

    1 less than 15 is 15 − 1 = 14.

  6. 6. What number is 1 less than 47?

    46

    1 less than 47 is 47 − 1 = 46.

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

    33

    1 less than 34 is 34 − 1 = 33.

  8. 8. What number is 1 more than 33?

    34

    1 more than 33 is 33 + 1 = 34.

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

    43

    1 less than 44 is 44 − 1 = 43.

  10. 10. What number is 1 less than 69?

    68

    1 less than 69 is 69 − 1 = 68.

  11. 11. What number is 1 more than 22?

    23

    1 more than 22 is 22 + 1 = 23.

  12. 12. What number is 1 less than 55?

    54

    1 less than 55 is 55 − 1 = 54.

12 questions · Seed 46 · Age guidance, not curriculum certification