← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 244 · 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. 1.301.6 ÷ 1000 =
  2. 2.44.5 × 100 =
  3. 3.183.2 × 10 =
  4. 4.45.45 × 10 =
  5. 5.184.2 × 1000 =
  6. 6.2.39 ÷ 10 =
  7. 7.29.1 ÷ 10 =
  8. 8.5.08 ÷ 1000 =
  9. 9.381.3 ÷ 10 =
  10. 10.39.03 ÷ 10 =
  11. 11.380.4 ÷ 10 =
  12. 12.14.91 × 100 =
  13. 13.23.39 ÷ 10 =
  14. 14.425.2 ÷ 1000 =
  15. 15.339.6 × 100 =
  16. 16.113.4 ÷ 10 =
  17. 17.20.59 ÷ 1000 =
  18. 18.3.72 ÷ 10 =
  19. 19.42.09 ÷ 10 =
  20. 20.43.27 ÷ 100 =
  21. 21.44.64 ÷ 1000 =
  22. 22.296.5 ÷ 10 =
  23. 23.88.1 ÷ 100 =
  24. 24.7.54 × 1000 =
  25. 25.24.88 ÷ 100 =
  26. 26.39.47 × 100 =
  27. 27.75.1 × 100 =
  28. 28.14.64 ÷ 10 =
  29. 29.19.64 ÷ 100 =
  30. 30.137.1 × 100 =
  31. 31.406.6 × 10 =
  32. 32.340.1 × 10 =
  33. 33.194.1 × 100 =
  34. 34.263.2 × 10 =
  35. 35.8.27 ÷ 10 =
  36. 36.124.8 ÷ 1000 =
  37. 37.13.77 × 100 =
  38. 38.430.3 × 100 =
  39. 39.252.5 ÷ 100 =
  40. 40.24.21 × 1000 =

Answer key

  1. 0.3016
  2. 4450
  3. 1832
  4. 454.5
  5. 184200
  6. 0.239
  7. 2.91
  8. 0.00508
  9. 38.13
  10. 3.903
  11. 38.04
  12. 1491
  13. 2.339
  14. 0.4252
  15. 33960
  16. 11.34
  17. 0.02059
  18. 0.372
  19. 4.209
  20. 0.4327
  21. 0.04464
  22. 29.65
  23. 0.881
  24. 7540
  25. 0.2488
  26. 3947
  27. 7510
  28. 1.464
  29. 0.1964
  30. 13710
  31. 4066
  32. 3401
  33. 19410
  34. 2632
  35. 0.827
  36. 0.1248
  37. 1377
  38. 43030
  39. 2.525
  40. 24210

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