← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 730 · 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. 1.44.48 ÷ 100 =
  2. 2.43.54 × 10 =
  3. 3.483.6 × 1000 =
  4. 4.1.56 ÷ 100 =
  5. 5.66.9 × 10 =
  6. 6.217.1 × 1000 =
  7. 7.22.68 × 10 =
  8. 8.27.75 ÷ 10 =
  9. 9.39.84 ÷ 1000 =
  10. 10.29.41 × 1000 =
  11. 11.232.8 ÷ 10 =
  12. 12.5.65 × 100 =
  13. 13.335.6 × 100 =
  14. 14.21.62 ÷ 100 =
  15. 15.30.64 × 10 =
  16. 16.1.18 × 100 =
  17. 17.18.35 ÷ 1000 =
  18. 18.304.1 × 1000 =
  19. 19.23.03 ÷ 1000 =
  20. 20.132.9 × 100 =
  21. 21.349.1 × 100 =
  22. 22.1.33 ÷ 100 =
  23. 23.2.92 ÷ 100 =
  24. 24.185.2 × 10 =
  25. 25.192.6 ÷ 10 =
  26. 26.174.1 ÷ 100 =
  27. 27.332.4 ÷ 100 =
  28. 28.32.59 ÷ 100 =
  29. 29.330.5 × 1000 =
  30. 30.7.48 × 1000 =
  31. 31.48.31 × 1000 =
  32. 32.32.61 × 1000 =
  33. 33.42.1 ÷ 100 =
  34. 34.56.4 ÷ 10 =
  35. 35.117.1 ÷ 1000 =
  36. 36.409.8 ÷ 100 =
  37. 37.478.6 ÷ 1000 =
  38. 38.187.5 × 10 =
  39. 39.428.7 × 10 =
  40. 40.355.1 × 10 =

Answer key

  1. 0.4448
  2. 435.4
  3. 483600
  4. 0.0156
  5. 669
  6. 217100
  7. 226.8
  8. 2.775
  9. 0.03984
  10. 29410
  11. 23.28
  12. 565
  13. 33560
  14. 0.2162
  15. 306.4
  16. 118
  17. 0.01835
  18. 304100
  19. 0.02303
  20. 13290
  21. 34910
  22. 0.0133
  23. 0.0292
  24. 1852
  25. 19.26
  26. 1.741
  27. 3.324
  28. 0.3259
  29. 330500
  30. 7480
  31. 48310
  32. 32610
  33. 0.421
  34. 5.64
  35. 0.1171
  36. 4.098
  37. 0.4786
  38. 1875
  39. 4287
  40. 3551

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