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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 664 · 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. 1.213.8 ÷ 1000 =
  2. 2.468.5 × 1000 =
  3. 3.379.1 ÷ 1000 =
  4. 4.59.2 × 10 =
  5. 5.190.2 ÷ 100 =
  6. 6.487.1 × 1000 =
  7. 7.187.1 × 10 =
  8. 8.476.1 × 10 =
  9. 9.25.66 × 1000 =
  10. 10.26.2 × 100 =
  11. 11.432.5 × 100 =
  12. 12.356.9 × 10 =
  13. 13.96.4 × 10 =
  14. 14.3.45 ÷ 100 =
  15. 15.436.3 × 10 =
  16. 16.218.4 × 10 =
  17. 17.400.6 ÷ 10 =
  18. 18.18.94 ÷ 100 =
  19. 19.470.1 ÷ 10 =
  20. 20.20.47 × 10 =
  21. 21.31.79 × 100 =
  22. 22.396.2 ÷ 100 =
  23. 23.435.1 × 100 =
  24. 24.21.53 × 10 =
  25. 25.355.8 ÷ 100 =
  26. 26.23.21 × 1000 =
  27. 27.448.9 × 100 =
  28. 28.246.9 ÷ 10 =
  29. 29.58.8 ÷ 1000 =
  30. 30.359.2 × 1000 =
  31. 31.90.6 ÷ 10 =
  32. 32.352.1 ÷ 10 =
  33. 33.28.9 × 10 =
  34. 34.315.6 × 10 =
  35. 35.39.45 ÷ 1000 =
  36. 36.387.2 × 100 =
  37. 37.288.9 ÷ 100 =
  38. 38.6.12 × 10 =
  39. 39.17.81 ÷ 100 =
  40. 40.25.43 ÷ 1000 =

Answer key

  1. 0.2138
  2. 468500
  3. 0.3791
  4. 592
  5. 1.902
  6. 487100
  7. 1871
  8. 4761
  9. 25660
  10. 2620
  11. 43250
  12. 3569
  13. 964
  14. 0.0345
  15. 4363
  16. 2184
  17. 40.06
  18. 0.1894
  19. 47.01
  20. 204.7
  21. 3179
  22. 3.962
  23. 43510
  24. 215.3
  25. 3.558
  26. 23210
  27. 44890
  28. 24.69
  29. 0.0588
  30. 359200
  31. 9.06
  32. 35.21
  33. 289
  34. 3156
  35. 0.03945
  36. 38720
  37. 2.889
  38. 61.2
  39. 0.1781
  40. 0.02543

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