← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 647 · 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. 1.377.1 ÷ 10 =
  2. 2.28.94 ÷ 100 =
  3. 3.158.5 ÷ 10 =
  4. 4.17.83 × 10 =
  5. 5.49.74 ÷ 10 =
  6. 6.40.69 × 10 =
  7. 7.442.3 ÷ 1000 =
  8. 8.418.5 × 10 =
  9. 9.46.78 × 1000 =
  10. 10.48.35 × 100 =
  11. 11.350.4 × 1000 =
  12. 12.22.68 × 100 =
  13. 13.17.32 ÷ 100 =
  14. 14.105.9 × 1000 =
  15. 15.334.1 × 10 =
  16. 16.464.2 ÷ 1000 =
  17. 17.392.5 ÷ 10 =
  18. 18.41.51 ÷ 10 =
  19. 19.317.8 ÷ 1000 =
  20. 20.53.4 × 1000 =
  21. 21.43.87 × 100 =
  22. 22.35.73 × 1000 =
  23. 23.38.46 × 100 =
  24. 24.33.81 ÷ 100 =
  25. 25.22.54 × 10 =
  26. 26.10.43 × 10 =
  27. 27.12.81 ÷ 1000 =
  28. 28.26.86 × 1000 =
  29. 29.444.7 ÷ 100 =
  30. 30.37.22 ÷ 1000 =
  31. 31.21.91 ÷ 1000 =
  32. 32.31.94 ÷ 10 =
  33. 33.188.8 × 100 =
  34. 34.485.6 × 100 =
  35. 35.9.02 ÷ 100 =
  36. 36.43.87 ÷ 10 =
  37. 37.83.7 ÷ 100 =
  38. 38.59.1 × 1000 =
  39. 39.82.7 ÷ 10 =
  40. 40.40.47 ÷ 1000 =

Answer key

  1. 37.71
  2. 0.2894
  3. 15.85
  4. 178.3
  5. 4.974
  6. 406.9
  7. 0.4423
  8. 4185
  9. 46780
  10. 4835
  11. 350400
  12. 2268
  13. 0.1732
  14. 105900
  15. 3341
  16. 0.4642
  17. 39.25
  18. 4.151
  19. 0.3178
  20. 53400
  21. 4387
  22. 35730
  23. 3846
  24. 0.3381
  25. 225.4
  26. 104.3
  27. 0.01281
  28. 26860
  29. 4.447
  30. 0.03722
  31. 0.02191
  32. 3.194
  33. 18880
  34. 48560
  35. 0.0902
  36. 4.387
  37. 0.837
  38. 59100
  39. 8.27
  40. 0.04047

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