← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 69 · 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. 1.33.41 ÷ 10 =
  2. 2.23.16 × 100 =
  3. 3.35.81 × 100 =
  4. 4.275.1 ÷ 1000 =
  5. 5.6.64 × 10 =
  6. 6.22.44 ÷ 100 =
  7. 7.32.05 ÷ 10 =
  8. 8.384.4 ÷ 100 =
  9. 9.21.15 ÷ 1000 =
  10. 10.11.13 × 10 =
  11. 11.38.51 ÷ 10 =
  12. 12.26.61 ÷ 10 =
  13. 13.354.1 ÷ 10 =
  14. 14.30.51 ÷ 1000 =
  15. 15.19.47 × 1000 =
  16. 16.42.68 × 1000 =
  17. 17.301.6 × 1000 =
  18. 18.190.8 × 10 =
  19. 19.22.09 ÷ 100 =
  20. 20.46.67 × 10 =
  21. 21.48.01 × 10 =
  22. 22.320.1 ÷ 1000 =
  23. 23.27.3 ÷ 10 =
  24. 24.36.49 ÷ 1000 =
  25. 25.28.84 ÷ 100 =
  26. 26.499.7 × 1000 =
  27. 27.203.8 ÷ 10 =
  28. 28.28.53 × 100 =
  29. 29.381.1 × 10 =
  30. 30.1.36 ÷ 1000 =
  31. 31.481.6 × 10 =
  32. 32.11.55 × 100 =
  33. 33.13.47 ÷ 100 =
  34. 34.121.9 × 1000 =
  35. 35.26.48 × 100 =
  36. 36.78.4 ÷ 10 =
  37. 37.43.03 ÷ 1000 =
  38. 38.381.3 × 10 =
  39. 39.383.9 × 100 =
  40. 40.339.5 × 10 =

Answer key

  1. 3.341
  2. 2316
  3. 3581
  4. 0.2751
  5. 66.4
  6. 0.2244
  7. 3.205
  8. 3.844
  9. 0.02115
  10. 111.3
  11. 3.851
  12. 2.661
  13. 35.41
  14. 0.03051
  15. 19470
  16. 42680
  17. 301600
  18. 1908
  19. 0.2209
  20. 466.7
  21. 480.1
  22. 0.3201
  23. 2.73
  24. 0.03649
  25. 0.2884
  26. 499700
  27. 20.38
  28. 2853
  29. 3811
  30. 0.00136
  31. 4816
  32. 1155
  33. 0.1347
  34. 121900
  35. 2648
  36. 7.84
  37. 0.04303
  38. 3813
  39. 38390
  40. 3395

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