← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 812 · 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. 1.69.8 ÷ 100 =
  2. 2.121.7 × 10 =
  3. 3.46.56 ÷ 10 =
  4. 4.21.21 × 1000 =
  5. 5.128.8 ÷ 100 =
  6. 6.18.91 ÷ 100 =
  7. 7.2.07 × 10 =
  8. 8.358.1 × 10 =
  9. 9.369.2 × 10 =
  10. 10.119.1 ÷ 10 =
  11. 11.11.03 ÷ 10 =
  12. 12.10.59 × 100 =
  13. 13.453.8 ÷ 1000 =
  14. 14.33.11 × 10 =
  15. 15.6.74 ÷ 10 =
  16. 16.45.96 × 1000 =
  17. 17.43.73 × 100 =
  18. 18.466.6 ÷ 1000 =
  19. 19.342.4 ÷ 10 =
  20. 20.36.64 × 1000 =
  21. 21.395.8 ÷ 10 =
  22. 22.227.9 × 10 =
  23. 23.40.37 ÷ 10 =
  24. 24.238.2 ÷ 1000 =
  25. 25.369.5 ÷ 10 =
  26. 26.42.76 ÷ 10 =
  27. 27.182.1 × 100 =
  28. 28.43.26 ÷ 100 =
  29. 29.31.17 × 100 =
  30. 30.5.31 × 100 =
  31. 31.124.4 × 1000 =
  32. 32.490.1 × 100 =
  33. 33.25.2 × 100 =
  34. 34.476.5 ÷ 100 =
  35. 35.8.16 ÷ 10 =
  36. 36.245.4 ÷ 10 =
  37. 37.48.28 ÷ 10 =
  38. 38.176.9 × 10 =
  39. 39.21.6 ÷ 1000 =
  40. 40.41.83 ÷ 100 =

Answer key

  1. 0.698
  2. 1217
  3. 4.656
  4. 21210
  5. 1.288
  6. 0.1891
  7. 20.7
  8. 3581
  9. 3692
  10. 11.91
  11. 1.103
  12. 1059
  13. 0.4538
  14. 331.1
  15. 0.674
  16. 45960
  17. 4373
  18. 0.4666
  19. 34.24
  20. 36640
  21. 39.58
  22. 2279
  23. 4.037
  24. 0.2382
  25. 36.95
  26. 4.276
  27. 18210
  28. 0.4326
  29. 3117
  30. 531
  31. 124400
  32. 49010
  33. 2520
  34. 4.765
  35. 0.816
  36. 24.54
  37. 4.828
  38. 1769
  39. 0.0216
  40. 0.4183

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