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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 31 · 40 questions
TalentJR

The fast method (Jump the point): Count the zeros: 10 → 1 jump, 100 → 2 jumps, 1000 → 3 jumps. × moves the point right; ÷ moves it left. Run out of digits? Fill the gaps with 0s. Drop 0s at the end of a decimal: 3.40 is 3.4.

NameDateTime takenScore ___ / 40
  1. 1.53.2 ÷ 100 =
  2. 2.34.01 ÷ 1000 =
  3. 3.53.8 ÷ 100 =
  4. 4.17.48 ÷ 10 =
  5. 5.9.75 ÷ 10 =
  6. 6.469.4 ÷ 1000 =
  7. 7.37.36 × 10 =
  8. 8.3.44 × 100 =
  9. 9.164.4 ÷ 10 =
  10. 10.33.25 × 10 =
  11. 11.422.4 ÷ 10 =
  12. 12.1.53 ÷ 10 =
  13. 13.13.28 ÷ 100 =
  14. 14.7.15 × 100 =
  15. 15.231.7 × 1000 =
  16. 16.257.5 × 100 =
  17. 17.105.7 ÷ 100 =
  18. 18.358.1 ÷ 10 =
  19. 19.365.6 ÷ 1000 =
  20. 20.136.5 ÷ 100 =
  21. 21.6.07 ÷ 1000 =
  22. 22.181.7 ÷ 10 =
  23. 23.8.37 × 1000 =
  24. 24.19.3 ÷ 10 =
  25. 25.416.3 × 1000 =
  26. 26.3.31 × 1000 =
  27. 27.40.1 × 100 =
  28. 28.15.88 × 10 =
  29. 29.355.7 × 1000 =
  30. 30.22.99 ÷ 10 =
  31. 31.348.9 ÷ 1000 =
  32. 32.19.14 ÷ 10 =
  33. 33.277.8 × 1000 =
  34. 34.6.61 ÷ 10 =
  35. 35.6.03 × 10 =
  36. 36.33.68 ÷ 10 =
  37. 37.250.1 ÷ 1000 =
  38. 38.49.51 × 1000 =
  39. 39.18.81 × 100 =
  40. 40.343.8 ÷ 10 =

Answer key

  1. 0.532
  2. 0.03401
  3. 0.538
  4. 1.748
  5. 0.975
  6. 0.4694
  7. 373.6
  8. 344
  9. 16.44
  10. 332.5
  11. 42.24
  12. 0.153
  13. 0.1328
  14. 715
  15. 231700
  16. 25750
  17. 1.057
  18. 35.81
  19. 0.3656
  20. 1.365
  21. 0.00607
  22. 18.17
  23. 8370
  24. 1.93
  25. 416300
  26. 3310
  27. 4010
  28. 158.8
  29. 355700
  30. 2.299
  31. 0.3489
  32. 1.914
  33. 277800
  34. 0.661
  35. 60.3
  36. 3.368
  37. 0.2501
  38. 49510
  39. 1881
  40. 34.38

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