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MathsAges 4-6

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 4-6

One more & one less

Take your time. Show your thinking.

  1. 1. What number is 1 less than 16?

    1 · 16 · One more & one less

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

    1 · 11 · One more & one less

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

    1 m · 12 · One more & one less

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

    1 · 4 · One more & one less

  5. 5. What number is 1 more than 13?

    1 m · 13 · One more & one less

  6. 6. What number is 1 more than 7?

    1 m · 7 · One more & one less

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

    1 m · 2 · One more & one less

  8. 8. What number is 1 more than 16?

    1 m · 16 · One more & one less

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

    1 · 14 · One more & one less

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

    1 m · 5 · One more & one less

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

    1 m · 8 · One more & one less

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

    1 m · 18 · One more & one less
12 questions · Seed 43 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 4-6

One more & one less

Answers and reasoning. Review before teaching.

  1. 1. What number is 1 less than 16?

    15

    1 less than 16 is 16 − 1 = 15.

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

    10

    1 less than 11 is 11 − 1 = 10.

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

    13

    1 more than 12 is 12 + 1 = 13.

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

    3

    1 less than 4 is 4 − 1 = 3.

  5. 5. What number is 1 more than 13?

    14

    1 more than 13 is 13 + 1 = 14.

  6. 6. What number is 1 more than 7?

    8

    1 more than 7 is 7 + 1 = 8.

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

    3

    1 more than 2 is 2 + 1 = 3.

  8. 8. What number is 1 more than 16?

    17

    1 more than 16 is 16 + 1 = 17.

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

    13

    1 less than 14 is 14 − 1 = 13.

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

    6

    1 more than 5 is 5 + 1 = 6.

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

    9

    1 more than 8 is 8 + 1 = 9.

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

    19

    1 more than 18 is 18 + 1 = 19.

12 questions · Seed 43 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 4-6

One more & one less

Take your time. Show your thinking.

  1. 1. What number is 1 less than 16?

    1 · 16 · One more & one less

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

    1 · 11 · One more & one less

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

    1 m · 12 · One more & one less

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

    1 · 4 · One more & one less

  5. 5. What number is 1 more than 13?

    1 m · 13 · One more & one less

  6. 6. What number is 1 more than 7?

    1 m · 7 · One more & one less

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

    1 m · 2 · One more & one less

  8. 8. What number is 1 more than 16?

    1 m · 16 · One more & one less

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

    1 · 14 · One more & one less

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

    1 m · 5 · One more & one less

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

    1 m · 8 · One more & one less

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

    1 m · 18 · One more & one less
12 questions · Seed 43 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 4-6

One more & one less

Answers and reasoning. Review before teaching.

  1. 1. What number is 1 less than 16?

    15

    1 less than 16 is 16 − 1 = 15.

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

    10

    1 less than 11 is 11 − 1 = 10.

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

    13

    1 more than 12 is 12 + 1 = 13.

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

    3

    1 less than 4 is 4 − 1 = 3.

  5. 5. What number is 1 more than 13?

    14

    1 more than 13 is 13 + 1 = 14.

  6. 6. What number is 1 more than 7?

    8

    1 more than 7 is 7 + 1 = 8.

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

    3

    1 more than 2 is 2 + 1 = 3.

  8. 8. What number is 1 more than 16?

    17

    1 more than 16 is 16 + 1 = 17.

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

    13

    1 less than 14 is 14 − 1 = 13.

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

    6

    1 more than 5 is 5 + 1 = 6.

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

    9

    1 more than 8 is 8 + 1 = 9.

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

    19

    1 more than 18 is 18 + 1 = 19.

12 questions · Seed 43 · Age guidance, not curriculum certification