← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 283 · 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. 1.48.07 ÷ 10 =
  2. 2.182.1 ÷ 1000 =
  3. 3.27.47 × 100 =
  4. 4.16.61 × 1000 =
  5. 5.23.77 × 10 =
  6. 6.329.7 × 10 =
  7. 7.364.9 × 10 =
  8. 8.27.38 ÷ 100 =
  9. 9.4.31 × 1000 =
  10. 10.47.25 × 100 =
  11. 11.242.8 ÷ 1000 =
  12. 12.491.4 ÷ 10 =
  13. 13.31.9 × 100 =
  14. 14.18.17 ÷ 100 =
  15. 15.38.06 ÷ 10 =
  16. 16.169.2 ÷ 1000 =
  17. 17.43.79 ÷ 100 =
  18. 18.130.1 × 10 =
  19. 19.233.8 × 100 =
  20. 20.21.51 ÷ 1000 =
  21. 21.43.13 × 10 =
  22. 22.48.95 ÷ 10 =
  23. 23.74.3 ÷ 1000 =
  24. 24.371.3 ÷ 1000 =
  25. 25.330.4 ÷ 10 =
  26. 26.7.66 × 10 =
  27. 27.14.91 × 1000 =
  28. 28.48.24 × 1000 =
  29. 29.5.65 × 100 =
  30. 30.332.7 × 100 =
  31. 31.0.56 ÷ 10 =
  32. 32.438.1 × 10 =
  33. 33.18.82 × 1000 =
  34. 34.15.92 ÷ 10 =
  35. 35.38.56 × 10 =
  36. 36.37.96 ÷ 100 =
  37. 37.288.6 × 1000 =
  38. 38.362.1 ÷ 1000 =
  39. 39.46.88 ÷ 100 =
  40. 40.85.1 ÷ 1000 =

Answer key

  1. 4.807
  2. 0.1821
  3. 2747
  4. 16610
  5. 237.7
  6. 3297
  7. 3649
  8. 0.2738
  9. 4310
  10. 4725
  11. 0.2428
  12. 49.14
  13. 3190
  14. 0.1817
  15. 3.806
  16. 0.1692
  17. 0.4379
  18. 1301
  19. 23380
  20. 0.02151
  21. 431.3
  22. 4.895
  23. 0.0743
  24. 0.3713
  25. 33.04
  26. 76.6
  27. 14910
  28. 48240
  29. 565
  30. 33270
  31. 0.056
  32. 4381
  33. 18820
  34. 1.592
  35. 385.6
  36. 0.3796
  37. 288600
  38. 0.3621
  39. 0.4688
  40. 0.0851

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths