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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 323 · 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. 1.329.6 ÷ 10 =
  2. 2.13.35 ÷ 100 =
  3. 3.203.6 ÷ 10 =
  4. 4.3.13 × 100 =
  5. 5.35.34 × 100 =
  6. 6.11.94 ÷ 10 =
  7. 7.34.47 ÷ 10 =
  8. 8.45.15 × 10 =
  9. 9.3.9 ÷ 100 =
  10. 10.42.02 ÷ 10 =
  11. 11.291.6 × 10 =
  12. 12.6.05 ÷ 1000 =
  13. 13.453.8 ÷ 1000 =
  14. 14.367.3 × 10 =
  15. 15.135.8 ÷ 1000 =
  16. 16.101.4 ÷ 10 =
  17. 17.429.3 ÷ 100 =
  18. 18.15.17 × 10 =
  19. 19.24.89 × 10 =
  20. 20.23.65 × 10 =
  21. 21.137.1 × 100 =
  22. 22.46.28 ÷ 1000 =
  23. 23.32.73 ÷ 10 =
  24. 24.54.1 ÷ 100 =
  25. 25.340.1 × 100 =
  26. 26.228.4 ÷ 1000 =
  27. 27.485.5 × 1000 =
  28. 28.47.21 × 100 =
  29. 29.241.4 × 100 =
  30. 30.435.6 ÷ 100 =
  31. 31.1.24 × 1000 =
  32. 32.13.35 ÷ 10 =
  33. 33.321.1 × 1000 =
  34. 34.222.8 ÷ 1000 =
  35. 35.32.63 ÷ 10 =
  36. 36.32.1 ÷ 10 =
  37. 37.249.9 × 10 =
  38. 38.48.65 × 10 =
  39. 39.76.6 ÷ 10 =
  40. 40.193.3 × 1000 =

Answer key

  1. 32.96
  2. 0.1335
  3. 20.36
  4. 313
  5. 3534
  6. 1.194
  7. 3.447
  8. 451.5
  9. 0.039
  10. 4.202
  11. 2916
  12. 0.00605
  13. 0.4538
  14. 3673
  15. 0.1358
  16. 10.14
  17. 4.293
  18. 151.7
  19. 248.9
  20. 236.5
  21. 13710
  22. 0.04628
  23. 3.273
  24. 0.541
  25. 34010
  26. 0.2284
  27. 485500
  28. 4721
  29. 24140
  30. 4.356
  31. 1240
  32. 1.335
  33. 321100
  34. 0.2228
  35. 3.263
  36. 3.21
  37. 2499
  38. 486.5
  39. 7.66
  40. 193300

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