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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 52?

    1 · 52 · One more & one less

  2. 2. What number is 1 more than 60?

    1 m · 60 · One more & one less

  3. 3. What number is 1 more than 73?

    1 m · 73 · One more & one less

  4. 4. What number is 1 less than 21?

    1 · 21 · One more & one less

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

    1 · 49 · One more & one less

  6. 6. What number is 1 more than 27?

    1 m · 27 · One more & one less

  7. 7. What number is 1 less than 58?

    1 · 58 · One more & one less

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

    1 · 18 · One more & one less

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

    1 · 68 · 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 less than 48?

    1 · 48 · One more & one less

  12. 12. What number is 1 more than 51?

    1 m · 51 · One more & one less
12 questions · Seed 104731 · 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 52?

    51

    1 less than 52 is 52 − 1 = 51.

  2. 2. What number is 1 more than 60?

    61

    1 more than 60 is 60 + 1 = 61.

  3. 3. What number is 1 more than 73?

    74

    1 more than 73 is 73 + 1 = 74.

  4. 4. What number is 1 less than 21?

    20

    1 less than 21 is 21 − 1 = 20.

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

    48

    1 less than 49 is 49 − 1 = 48.

  6. 6. What number is 1 more than 27?

    28

    1 more than 27 is 27 + 1 = 28.

  7. 7. What number is 1 less than 58?

    57

    1 less than 58 is 58 − 1 = 57.

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

    17

    1 less than 18 is 18 − 1 = 17.

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

    67

    1 less than 68 is 68 − 1 = 67.

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

    16

    1 less than 17 is 17 − 1 = 16.

  11. 11. What number is 1 less than 48?

    47

    1 less than 48 is 48 − 1 = 47.

  12. 12. What number is 1 more than 51?

    52

    1 more than 51 is 51 + 1 = 52.

12 questions · Seed 104731 · 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 52?

    1 · 52 · One more & one less

  2. 2. What number is 1 more than 60?

    1 m · 60 · One more & one less

  3. 3. What number is 1 more than 73?

    1 m · 73 · One more & one less

  4. 4. What number is 1 less than 21?

    1 · 21 · One more & one less

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

    1 · 49 · One more & one less

  6. 6. What number is 1 more than 27?

    1 m · 27 · One more & one less

  7. 7. What number is 1 less than 58?

    1 · 58 · One more & one less

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

    1 · 18 · One more & one less

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

    1 · 68 · 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 less than 48?

    1 · 48 · One more & one less

  12. 12. What number is 1 more than 51?

    1 m · 51 · One more & one less
12 questions · Seed 104731 · 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 52?

    51

    1 less than 52 is 52 − 1 = 51.

  2. 2. What number is 1 more than 60?

    61

    1 more than 60 is 60 + 1 = 61.

  3. 3. What number is 1 more than 73?

    74

    1 more than 73 is 73 + 1 = 74.

  4. 4. What number is 1 less than 21?

    20

    1 less than 21 is 21 − 1 = 20.

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

    48

    1 less than 49 is 49 − 1 = 48.

  6. 6. What number is 1 more than 27?

    28

    1 more than 27 is 27 + 1 = 28.

  7. 7. What number is 1 less than 58?

    57

    1 less than 58 is 58 − 1 = 57.

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

    17

    1 less than 18 is 18 − 1 = 17.

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

    67

    1 less than 68 is 68 − 1 = 67.

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

    16

    1 less than 17 is 17 − 1 = 16.

  11. 11. What number is 1 less than 48?

    47

    1 less than 48 is 48 − 1 = 47.

  12. 12. What number is 1 more than 51?

    52

    1 more than 51 is 51 + 1 = 52.

12 questions · Seed 104731 · Age guidance, not curriculum certification