Small practice. Bright discoveries.Explore the free starter collection
worksheetstudio.
Sign in
Back to worksheets
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.

New variationTry interactive challengeBrowse templates
Age band:Ages 4-6Ages 7-9

Choose “Save as PDF” to keep a copy. Use your browser’s paper setting for A4 or Letter.

Worksheet StudioPractice pack · Ages 4-6

One more & one less

Take your time. Show your thinking.

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

    1 · 6 · One more & one less

  2. 2. What number is 1 less than 20?

    1 · 20 · One more & one less

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

    1 · 7 · One more & one less

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

    1 m · 5 · One more & one less

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

    1 · 9 · One more & one less

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

    1 · 16 · One more & one less

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

    1 · 4 · One more & one less

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

    1 m · 6 · One more & one less

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

    1 · 17 · One more & one less

  10. 10. What number is 1 less than 18?

    1 · 18 · One more & one less

  11. 11. What number is 1 more than 20?

    1 m · 20 · One more & one less

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

    1 m · 8 · One more & one less
12 questions · Seed 52 · 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 6?

    5

    1 less than 6 is 6 − 1 = 5.

  2. 2. What number is 1 less than 20?

    19

    1 less than 20 is 20 − 1 = 19.

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

    6

    1 less than 7 is 7 − 1 = 6.

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

    6

    1 more than 5 is 5 + 1 = 6.

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

    8

    1 less than 9 is 9 − 1 = 8.

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

    15

    1 less than 16 is 16 − 1 = 15.

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

    3

    1 less than 4 is 4 − 1 = 3.

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

    7

    1 more than 6 is 6 + 1 = 7.

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

    16

    1 less than 17 is 17 − 1 = 16.

  10. 10. What number is 1 less than 18?

    17

    1 less than 18 is 18 − 1 = 17.

  11. 11. What number is 1 more than 20?

    21

    1 more than 20 is 20 + 1 = 21.

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

    9

    1 more than 8 is 8 + 1 = 9.

12 questions · Seed 52 · 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 6?

    1 · 6 · One more & one less

  2. 2. What number is 1 less than 20?

    1 · 20 · One more & one less

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

    1 · 7 · One more & one less

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

    1 m · 5 · One more & one less

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

    1 · 9 · One more & one less

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

    1 · 16 · One more & one less

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

    1 · 4 · One more & one less

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

    1 m · 6 · One more & one less

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

    1 · 17 · One more & one less

  10. 10. What number is 1 less than 18?

    1 · 18 · One more & one less

  11. 11. What number is 1 more than 20?

    1 m · 20 · One more & one less

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

    1 m · 8 · One more & one less
12 questions · Seed 52 · 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 6?

    5

    1 less than 6 is 6 − 1 = 5.

  2. 2. What number is 1 less than 20?

    19

    1 less than 20 is 20 − 1 = 19.

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

    6

    1 less than 7 is 7 − 1 = 6.

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

    6

    1 more than 5 is 5 + 1 = 6.

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

    8

    1 less than 9 is 9 − 1 = 8.

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

    15

    1 less than 16 is 16 − 1 = 15.

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

    3

    1 less than 4 is 4 − 1 = 3.

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

    7

    1 more than 6 is 6 + 1 = 7.

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

    16

    1 less than 17 is 17 − 1 = 16.

  10. 10. What number is 1 less than 18?

    17

    1 less than 18 is 18 − 1 = 17.

  11. 11. What number is 1 more than 20?

    21

    1 more than 20 is 20 + 1 = 21.

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

    9

    1 more than 8 is 8 + 1 = 9.

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