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Celeste International School

Grade 1 · Worksheet

More numbers to 100

Words, rounding & regrouping

Name: ______________________________Date: ______________Score: ______ / 20
  1. 1.

    How do you write 84 in words?

    1. Aeighty-four
    2. Bforty-eight
    3. Ceight-four
  2. 2.

    How do you write 31 in words?

    1. Athirty-one
    2. Bthirteen
    3. Cone-three
  3. 3.

    Write seventy-six as a number.

  4. 4.

    Round 74 to the nearest 10.

  5. 5.

    Round 72 to the nearest 10.

  6. 6.

    Round 49 to the nearest 10.

  7. 7.

    Round 27 to the nearest 10.

  8. 8.

    When rounding to the nearest 10, if the ones digit is 5, which way do you round?

    1. Around down
    2. Bround up
    3. Cstay the same
  9. 9.

    Which is another way to regroup 31?

    1. A2 tens and 11 ones
    2. B2 tens and 1 one
    3. C4 tens and 1 one
  10. 10.

    58 can be regrouped as 30 + ?. What is the missing number?

  11. 11.

    49 rounds to 40 to the nearest 10.

    True False
  12. 12.

    Order these numbers from the smallest to the largest.

    Write the order (smallest first) in the boxes:

    • ?56
    • ?81
    • ?23
  13. 13.

    58 can be regrouped as 50 + ?. What is the missing number?

  14. 14.

    What comes next? 86, 87, 88, 89, …

  15. 15.

    73 rounds to 70 to the nearest 10.

    True False
  16. 16.

    What comes next? 61, 66, 71, 76, …

  17. 17.

    Write this as a single number: 80 + 5

  18. 18.

    253 rounds to 260 to the nearest 10.

    True False
  19. 19.

    162 rounds to 160 to the nearest 10.

    True False
  20. 20.

    What number comes just before 403?

Celeste International School

Answer key

More numbers to 100 — Words, rounding & regrouping

  1. 1.A. eighty-four
  2. 2.A. thirty-one
  3. 3.76
  4. 4.70
  5. 5.70
  6. 6.50
  7. 7.30
  8. 8.B. round up
  9. 9.A. 2 tens and 11 ones
  10. 10.28
  11. 11.False
  12. 12.23, 56, 81
  13. 13.8
  14. 14.90
  15. 15.True
  16. 16.81
  17. 17.85
  18. 18.False
  19. 19.True
  20. 20.402