← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 683 · 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. 1.44.27 × 1000 =
  2. 2.80.2 × 100 =
  3. 3.206.4 × 100 =
  4. 4.494.7 × 1000 =
  5. 5.8.43 × 1000 =
  6. 6.141.4 × 100 =
  7. 7.42.53 × 1000 =
  8. 8.452.4 × 10 =
  9. 9.63.9 × 1000 =
  10. 10.11.37 × 1000 =
  11. 11.300.6 ÷ 100 =
  12. 12.19.74 × 10 =
  13. 13.7.49 ÷ 10 =
  14. 14.32.66 ÷ 100 =
  15. 15.40.46 ÷ 10 =
  16. 16.9.07 × 1000 =
  17. 17.8.79 ÷ 1000 =
  18. 18.24.74 ÷ 100 =
  19. 19.7.39 × 100 =
  20. 20.147.2 ÷ 10 =
  21. 21.289.1 ÷ 100 =
  22. 22.206.4 × 100 =
  23. 23.235.6 × 100 =
  24. 24.32.1 ÷ 10 =
  25. 25.35.52 ÷ 1000 =
  26. 26.225.6 ÷ 10 =
  27. 27.4.38 ÷ 10 =
  28. 28.126.7 × 1000 =
  29. 29.24.78 ÷ 100 =
  30. 30.41.51 ÷ 10 =
  31. 31.38.41 ÷ 10 =
  32. 32.14.02 × 1000 =
  33. 33.21.88 × 100 =
  34. 34.152.5 × 1000 =
  35. 35.24.84 ÷ 1000 =
  36. 36.47.18 × 100 =
  37. 37.30.94 ÷ 1000 =
  38. 38.2.91 ÷ 10 =
  39. 39.58.9 ÷ 1000 =
  40. 40.187.5 ÷ 10 =

Answer key

  1. 44270
  2. 8020
  3. 20640
  4. 494700
  5. 8430
  6. 14140
  7. 42530
  8. 4524
  9. 63900
  10. 11370
  11. 3.006
  12. 197.4
  13. 0.749
  14. 0.3266
  15. 4.046
  16. 9070
  17. 0.00879
  18. 0.2474
  19. 739
  20. 14.72
  21. 2.891
  22. 20640
  23. 23560
  24. 3.21
  25. 0.03552
  26. 22.56
  27. 0.438
  28. 126700
  29. 0.2478
  30. 4.151
  31. 3.841
  32. 14020
  33. 2188
  34. 152500
  35. 0.02484
  36. 4718
  37. 0.03094
  38. 0.291
  39. 0.0589
  40. 18.75

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