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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 more than 49?

    1 m · 49 · One more & one less

  2. 2. What number is 1 more than 93?

    1 m · 93 · One more & one less

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

    1 m · 20 · One more & one less

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

    1 m · 18 · One more & one less

  5. 5. What number is 1 more than 37?

    1 m · 37 · One more & one less

  6. 6. What number is 1 more than 42?

    1 m · 42 · One more & one less

  7. 7. What number is 1 less than 22?

    1 · 22 · One more & one less

  8. 8. What number is 1 more than 77?

    1 m · 77 · One more & one less

  9. 9. What number is 1 less than 76?

    1 · 76 · One more & one less

  10. 10. What number is 1 less than 47?

    1 · 47 · One more & one less

  11. 11. What number is 1 less than 62?

    1 · 62 · One more & one less

  12. 12. What number is 1 less than 66?

    1 · 66 · One more & one less
12 questions · Seed 56 · 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 more than 49?

    50

    1 more than 49 is 49 + 1 = 50.

  2. 2. What number is 1 more than 93?

    94

    1 more than 93 is 93 + 1 = 94.

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

    21

    1 more than 20 is 20 + 1 = 21.

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

    19

    1 more than 18 is 18 + 1 = 19.

  5. 5. What number is 1 more than 37?

    38

    1 more than 37 is 37 + 1 = 38.

  6. 6. What number is 1 more than 42?

    43

    1 more than 42 is 42 + 1 = 43.

  7. 7. What number is 1 less than 22?

    21

    1 less than 22 is 22 − 1 = 21.

  8. 8. What number is 1 more than 77?

    78

    1 more than 77 is 77 + 1 = 78.

  9. 9. What number is 1 less than 76?

    75

    1 less than 76 is 76 − 1 = 75.

  10. 10. What number is 1 less than 47?

    46

    1 less than 47 is 47 − 1 = 46.

  11. 11. What number is 1 less than 62?

    61

    1 less than 62 is 62 − 1 = 61.

  12. 12. What number is 1 less than 66?

    65

    1 less than 66 is 66 − 1 = 65.

12 questions · Seed 56 · 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 more than 49?

    1 m · 49 · One more & one less

  2. 2. What number is 1 more than 93?

    1 m · 93 · One more & one less

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

    1 m · 20 · One more & one less

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

    1 m · 18 · One more & one less

  5. 5. What number is 1 more than 37?

    1 m · 37 · One more & one less

  6. 6. What number is 1 more than 42?

    1 m · 42 · One more & one less

  7. 7. What number is 1 less than 22?

    1 · 22 · One more & one less

  8. 8. What number is 1 more than 77?

    1 m · 77 · One more & one less

  9. 9. What number is 1 less than 76?

    1 · 76 · One more & one less

  10. 10. What number is 1 less than 47?

    1 · 47 · One more & one less

  11. 11. What number is 1 less than 62?

    1 · 62 · One more & one less

  12. 12. What number is 1 less than 66?

    1 · 66 · One more & one less
12 questions · Seed 56 · 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 more than 49?

    50

    1 more than 49 is 49 + 1 = 50.

  2. 2. What number is 1 more than 93?

    94

    1 more than 93 is 93 + 1 = 94.

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

    21

    1 more than 20 is 20 + 1 = 21.

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

    19

    1 more than 18 is 18 + 1 = 19.

  5. 5. What number is 1 more than 37?

    38

    1 more than 37 is 37 + 1 = 38.

  6. 6. What number is 1 more than 42?

    43

    1 more than 42 is 42 + 1 = 43.

  7. 7. What number is 1 less than 22?

    21

    1 less than 22 is 22 − 1 = 21.

  8. 8. What number is 1 more than 77?

    78

    1 more than 77 is 77 + 1 = 78.

  9. 9. What number is 1 less than 76?

    75

    1 less than 76 is 76 − 1 = 75.

  10. 10. What number is 1 less than 47?

    46

    1 less than 47 is 47 − 1 = 46.

  11. 11. What number is 1 less than 62?

    61

    1 less than 62 is 62 − 1 = 61.

  12. 12. What number is 1 less than 66?

    65

    1 less than 66 is 66 − 1 = 65.

12 questions · Seed 56 · Age guidance, not curriculum certification