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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 66?

    1 · 66 · One more & one less

  2. 2. What number is 1 less than 63?

    1 · 63 · One more & one less

  3. 3. What number is 1 more than 38?

    1 m · 38 · One more & one less

  4. 4. What number is 1 less than 17?

    1 · 17 · One more & one less

  5. 5. What number is 1 more than 18?

    1 m · 18 · One more & one less

  6. 6. What number is 1 less than 49?

    1 · 49 · One more & one less

  7. 7. What number is 1 less than 85?

    1 · 85 · One more & one less

  8. 8. What number is 1 less than 68?

    1 · 68 · One more & one less

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

    1 m · 44 · One more & one less

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

    1 m · 76 · One more & one less

  11. 11. What number is 1 less than 14?

    1 · 14 · One more & one less

  12. 12. What number is 1 more than 84?

    1 m · 84 · One more & one less
12 questions · Seed 104729 · 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 66?

    65

    1 less than 66 is 66 − 1 = 65.

  2. 2. What number is 1 less than 63?

    62

    1 less than 63 is 63 − 1 = 62.

  3. 3. What number is 1 more than 38?

    39

    1 more than 38 is 38 + 1 = 39.

  4. 4. What number is 1 less than 17?

    16

    1 less than 17 is 17 − 1 = 16.

  5. 5. What number is 1 more than 18?

    19

    1 more than 18 is 18 + 1 = 19.

  6. 6. What number is 1 less than 49?

    48

    1 less than 49 is 49 − 1 = 48.

  7. 7. What number is 1 less than 85?

    84

    1 less than 85 is 85 − 1 = 84.

  8. 8. What number is 1 less than 68?

    67

    1 less than 68 is 68 − 1 = 67.

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

    45

    1 more than 44 is 44 + 1 = 45.

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

    77

    1 more than 76 is 76 + 1 = 77.

  11. 11. What number is 1 less than 14?

    13

    1 less than 14 is 14 − 1 = 13.

  12. 12. What number is 1 more than 84?

    85

    1 more than 84 is 84 + 1 = 85.

12 questions · Seed 104729 · 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 66?

    1 · 66 · One more & one less

  2. 2. What number is 1 less than 63?

    1 · 63 · One more & one less

  3. 3. What number is 1 more than 38?

    1 m · 38 · One more & one less

  4. 4. What number is 1 less than 17?

    1 · 17 · One more & one less

  5. 5. What number is 1 more than 18?

    1 m · 18 · One more & one less

  6. 6. What number is 1 less than 49?

    1 · 49 · One more & one less

  7. 7. What number is 1 less than 85?

    1 · 85 · One more & one less

  8. 8. What number is 1 less than 68?

    1 · 68 · One more & one less

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

    1 m · 44 · One more & one less

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

    1 m · 76 · One more & one less

  11. 11. What number is 1 less than 14?

    1 · 14 · One more & one less

  12. 12. What number is 1 more than 84?

    1 m · 84 · One more & one less
12 questions · Seed 104729 · 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 66?

    65

    1 less than 66 is 66 − 1 = 65.

  2. 2. What number is 1 less than 63?

    62

    1 less than 63 is 63 − 1 = 62.

  3. 3. What number is 1 more than 38?

    39

    1 more than 38 is 38 + 1 = 39.

  4. 4. What number is 1 less than 17?

    16

    1 less than 17 is 17 − 1 = 16.

  5. 5. What number is 1 more than 18?

    19

    1 more than 18 is 18 + 1 = 19.

  6. 6. What number is 1 less than 49?

    48

    1 less than 49 is 49 − 1 = 48.

  7. 7. What number is 1 less than 85?

    84

    1 less than 85 is 85 − 1 = 84.

  8. 8. What number is 1 less than 68?

    67

    1 less than 68 is 68 − 1 = 67.

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

    45

    1 more than 44 is 44 + 1 = 45.

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

    77

    1 more than 76 is 76 + 1 = 77.

  11. 11. What number is 1 less than 14?

    13

    1 less than 14 is 14 − 1 = 13.

  12. 12. What number is 1 more than 84?

    85

    1 more than 84 is 84 + 1 = 85.

12 questions · Seed 104729 · Age guidance, not curriculum certification