← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 325 · 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. 1.348.5 ÷ 100 =
  2. 2.190.6 ÷ 1000 =
  3. 3.241.8 × 100 =
  4. 4.158.4 × 1000 =
  5. 5.21.79 × 10 =
  6. 6.0.51 ÷ 100 =
  7. 7.8.98 ÷ 100 =
  8. 8.36.77 ÷ 10 =
  9. 9.229.4 × 10 =
  10. 10.495.1 ÷ 100 =
  11. 11.489.5 × 100 =
  12. 12.45.9 × 10 =
  13. 13.26.12 ÷ 10 =
  14. 14.455.8 × 1000 =
  15. 15.41.17 × 1000 =
  16. 16.63.1 × 1000 =
  17. 17.20.21 ÷ 10 =
  18. 18.23.61 × 100 =
  19. 19.37.39 ÷ 10 =
  20. 20.29.2 × 1000 =
  21. 21.204.9 ÷ 100 =
  22. 22.365.6 × 1000 =
  23. 23.14.54 ÷ 10 =
  24. 24.348.7 ÷ 100 =
  25. 25.125.8 ÷ 10 =
  26. 26.71.4 ÷ 10 =
  27. 27.191.7 × 1000 =
  28. 28.35.17 × 10 =
  29. 29.29.58 ÷ 10 =
  30. 30.11.13 × 10 =
  31. 31.177.3 × 100 =
  32. 32.329.6 × 10 =
  33. 33.63.3 ÷ 1000 =
  34. 34.1.73 × 100 =
  35. 35.75.7 × 10 =
  36. 36.106.7 ÷ 100 =
  37. 37.258.3 ÷ 10 =
  38. 38.12.14 × 10 =
  39. 39.12.46 × 10 =
  40. 40.36.71 ÷ 10 =

Answer key

  1. 3.485
  2. 0.1906
  3. 24180
  4. 158400
  5. 217.9
  6. 0.0051
  7. 0.0898
  8. 3.677
  9. 2294
  10. 4.951
  11. 48950
  12. 459
  13. 2.612
  14. 455800
  15. 41170
  16. 63100
  17. 2.021
  18. 2361
  19. 3.739
  20. 29200
  21. 2.049
  22. 365600
  23. 1.454
  24. 3.487
  25. 12.58
  26. 7.14
  27. 191700
  28. 351.7
  29. 2.958
  30. 111.3
  31. 17730
  32. 3296
  33. 0.0633
  34. 173
  35. 757
  36. 1.067
  37. 25.83
  38. 121.4
  39. 124.6
  40. 3.671

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