← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 479 · 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. 1.42.22 ÷ 100 =
  2. 2.290.6 ÷ 100 =
  3. 3.6.31 × 100 =
  4. 4.36.04 × 10 =
  5. 5.178.1 ÷ 10 =
  6. 6.18.01 × 10 =
  7. 7.41.59 × 1000 =
  8. 8.8.1 × 10 =
  9. 9.12.17 × 100 =
  10. 10.484.8 ÷ 10 =
  11. 11.412.7 ÷ 100 =
  12. 12.14.59 × 100 =
  13. 13.25.11 ÷ 100 =
  14. 14.5.46 ÷ 100 =
  15. 15.381.1 × 1000 =
  16. 16.245.2 ÷ 1000 =
  17. 17.476.4 × 10 =
  18. 18.7.42 ÷ 10 =
  19. 19.49.08 × 100 =
  20. 20.486.7 × 10 =
  21. 21.32.38 × 10 =
  22. 22.392.7 × 100 =
  23. 23.257.5 ÷ 1000 =
  24. 24.451.5 ÷ 10 =
  25. 25.38.1 ÷ 10 =
  26. 26.340.5 × 1000 =
  27. 27.133.2 × 10 =
  28. 28.258.2 × 1000 =
  29. 29.1.26 ÷ 100 =
  30. 30.0.47 ÷ 100 =
  31. 31.172.1 ÷ 100 =
  32. 32.481.1 ÷ 100 =
  33. 33.13.71 ÷ 100 =
  34. 34.174.9 ÷ 100 =
  35. 35.84.8 ÷ 1000 =
  36. 36.14.46 × 100 =
  37. 37.32.63 ÷ 100 =
  38. 38.32.38 ÷ 1000 =
  39. 39.15.88 × 1000 =
  40. 40.47.77 ÷ 100 =

Answer key

  1. 0.4222
  2. 2.906
  3. 631
  4. 360.4
  5. 17.81
  6. 180.1
  7. 41590
  8. 81
  9. 1217
  10. 48.48
  11. 4.127
  12. 1459
  13. 0.2511
  14. 0.0546
  15. 381100
  16. 0.2452
  17. 4764
  18. 0.742
  19. 4908
  20. 4867
  21. 323.8
  22. 39270
  23. 0.2575
  24. 45.15
  25. 3.81
  26. 340500
  27. 1332
  28. 258200
  29. 0.0126
  30. 0.0047
  31. 1.721
  32. 4.811
  33. 0.1371
  34. 1.749
  35. 0.0848
  36. 1446
  37. 0.3263
  38. 0.03238
  39. 15880
  40. 0.4777

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