← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 580 · 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. 1.2.77 × 10 =
  2. 2.417.2 ÷ 100 =
  3. 3.158.3 ÷ 10 =
  4. 4.408.4 × 1000 =
  5. 5.14.34 ÷ 1000 =
  6. 6.119.2 ÷ 1000 =
  7. 7.32.63 × 1000 =
  8. 8.334.3 ÷ 100 =
  9. 9.42.56 × 10 =
  10. 10.45.18 × 10 =
  11. 11.474.3 × 100 =
  12. 12.211.1 × 100 =
  13. 13.42.98 × 100 =
  14. 14.7.89 × 100 =
  15. 15.37.31 ÷ 100 =
  16. 16.18.33 × 100 =
  17. 17.116.1 ÷ 10 =
  18. 18.19.19 ÷ 1000 =
  19. 19.77.3 ÷ 100 =
  20. 20.365.1 × 100 =
  21. 21.91.5 ÷ 1000 =
  22. 22.3.97 ÷ 10 =
  23. 23.157.5 × 10 =
  24. 24.105.8 × 1000 =
  25. 25.16.81 × 100 =
  26. 26.7.61 × 1000 =
  27. 27.6.06 ÷ 1000 =
  28. 28.24.21 × 1000 =
  29. 29.28.66 ÷ 100 =
  30. 30.220.2 × 10 =
  31. 31.20.93 × 100 =
  32. 32.378.6 × 100 =
  33. 33.304.2 × 100 =
  34. 34.138.4 ÷ 10 =
  35. 35.24.1 × 100 =
  36. 36.0.86 ÷ 100 =
  37. 37.12.64 ÷ 10 =
  38. 38.8.49 × 1000 =
  39. 39.91.7 × 10 =
  40. 40.201.4 ÷ 10 =

Answer key

  1. 27.7
  2. 4.172
  3. 15.83
  4. 408400
  5. 0.01434
  6. 0.1192
  7. 32630
  8. 3.343
  9. 425.6
  10. 451.8
  11. 47430
  12. 21110
  13. 4298
  14. 789
  15. 0.3731
  16. 1833
  17. 11.61
  18. 0.01919
  19. 0.773
  20. 36510
  21. 0.0915
  22. 0.397
  23. 1575
  24. 105800
  25. 1681
  26. 7610
  27. 0.00606
  28. 24210
  29. 0.2866
  30. 2202
  31. 2093
  32. 37860
  33. 30420
  34. 13.84
  35. 2410
  36. 0.0086
  37. 1.264
  38. 8490
  39. 917
  40. 20.14

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