← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 151 · 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. 1.43.57 × 100 =
  2. 2.10.18 ÷ 10 =
  3. 3.19.81 × 1000 =
  4. 4.15.88 × 1000 =
  5. 5.1.43 × 1000 =
  6. 6.232.9 ÷ 100 =
  7. 7.42.96 × 1000 =
  8. 8.20.24 × 1000 =
  9. 9.7.77 ÷ 100 =
  10. 10.146.1 ÷ 10 =
  11. 11.114.4 × 100 =
  12. 12.37.79 ÷ 100 =
  13. 13.23.88 ÷ 10 =
  14. 14.404.9 ÷ 10 =
  15. 15.30.36 ÷ 100 =
  16. 16.97.5 ÷ 100 =
  17. 17.35.44 ÷ 1000 =
  18. 18.217.5 ÷ 10 =
  19. 19.23.67 × 1000 =
  20. 20.343.7 ÷ 1000 =
  21. 21.28.41 × 100 =
  22. 22.266.5 ÷ 10 =
  23. 23.297.5 × 10 =
  24. 24.439.3 ÷ 10 =
  25. 25.191.4 × 1000 =
  26. 26.342.7 × 10 =
  27. 27.116.1 × 100 =
  28. 28.12.32 × 100 =
  29. 29.263.7 × 100 =
  30. 30.259.3 × 10 =
  31. 31.12.52 ÷ 10 =
  32. 32.34.37 ÷ 100 =
  33. 33.12.67 × 100 =
  34. 34.164.1 × 100 =
  35. 35.141.1 × 10 =
  36. 36.12.04 ÷ 100 =
  37. 37.1.49 × 10 =
  38. 38.28.65 ÷ 10 =
  39. 39.210.2 × 100 =
  40. 40.46.06 ÷ 1000 =

Answer key

  1. 4357
  2. 1.018
  3. 19810
  4. 15880
  5. 1430
  6. 2.329
  7. 42960
  8. 20240
  9. 0.0777
  10. 14.61
  11. 11440
  12. 0.3779
  13. 2.388
  14. 40.49
  15. 0.3036
  16. 0.975
  17. 0.03544
  18. 21.75
  19. 23670
  20. 0.3437
  21. 2841
  22. 26.65
  23. 2975
  24. 43.93
  25. 191400
  26. 3427
  27. 11610
  28. 1232
  29. 26370
  30. 2593
  31. 1.252
  32. 0.3437
  33. 1267
  34. 16410
  35. 1411
  36. 0.1204
  37. 14.9
  38. 2.865
  39. 21020
  40. 0.04606

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