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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 14?

    1 · 14 · One more & one less

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

    1 m · 16 · One more & one less

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

    1 · 2 · One more & one less

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

    1 m · 12 · One more & one less

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

    1 · 3 · One more & one less

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

    1 m · 9 · One more & one less

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

    1 · 16 · One more & one less

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

    1 · 7 · One more & one less

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

    1 m · 2 · One more & one less

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

    1 · 17 · 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 less than 5?

    1 · 5 · One more & one less
12 questions · Seed 45 · 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 14?

    13

    1 less than 14 is 14 − 1 = 13.

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

    17

    1 more than 16 is 16 + 1 = 17.

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

    1

    1 less than 2 is 2 − 1 = 1.

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

    13

    1 more than 12 is 12 + 1 = 13.

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

    2

    1 less than 3 is 3 − 1 = 2.

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

    10

    1 more than 9 is 9 + 1 = 10.

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

    15

    1 less than 16 is 16 − 1 = 15.

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

    6

    1 less than 7 is 7 − 1 = 6.

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

    3

    1 more than 2 is 2 + 1 = 3.

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

    16

    1 less than 17 is 17 − 1 = 16.

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

    9

    1 more than 8 is 8 + 1 = 9.

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

    4

    1 less than 5 is 5 − 1 = 4.

12 questions · Seed 45 · 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 14?

    1 · 14 · One more & one less

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

    1 m · 16 · One more & one less

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

    1 · 2 · One more & one less

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

    1 m · 12 · One more & one less

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

    1 · 3 · One more & one less

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

    1 m · 9 · One more & one less

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

    1 · 16 · One more & one less

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

    1 · 7 · One more & one less

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

    1 m · 2 · One more & one less

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

    1 · 17 · 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 less than 5?

    1 · 5 · One more & one less
12 questions · Seed 45 · 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 14?

    13

    1 less than 14 is 14 − 1 = 13.

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

    17

    1 more than 16 is 16 + 1 = 17.

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

    1

    1 less than 2 is 2 − 1 = 1.

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

    13

    1 more than 12 is 12 + 1 = 13.

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

    2

    1 less than 3 is 3 − 1 = 2.

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

    10

    1 more than 9 is 9 + 1 = 10.

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

    15

    1 less than 16 is 16 − 1 = 15.

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

    6

    1 less than 7 is 7 − 1 = 6.

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

    3

    1 more than 2 is 2 + 1 = 3.

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

    16

    1 less than 17 is 17 − 1 = 16.

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

    9

    1 more than 8 is 8 + 1 = 9.

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

    4

    1 less than 5 is 5 − 1 = 4.

12 questions · Seed 45 · Age guidance, not curriculum certification