← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 885 · 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. 1.41.9 × 10 =
  2. 2.47.91 ÷ 100 =
  3. 3.31.21 ÷ 100 =
  4. 4.20.95 ÷ 100 =
  5. 5.247.8 ÷ 10 =
  6. 6.226.4 × 100 =
  7. 7.10.21 ÷ 100 =
  8. 8.486.6 ÷ 10 =
  9. 9.88.1 × 10 =
  10. 10.6.01 × 1000 =
  11. 11.395.4 × 100 =
  12. 12.37.02 × 10 =
  13. 13.5.41 ÷ 1000 =
  14. 14.4.59 ÷ 100 =
  15. 15.28.01 ÷ 1000 =
  16. 16.11.15 ÷ 10 =
  17. 17.16.37 × 10 =
  18. 18.24.9 × 100 =
  19. 19.57.1 ÷ 100 =
  20. 20.17.94 × 10 =
  21. 21.447.1 ÷ 1000 =
  22. 22.218.3 × 10 =
  23. 23.123.1 ÷ 10 =
  24. 24.302.2 ÷ 1000 =
  25. 25.79.1 × 1000 =
  26. 26.47.3 ÷ 10 =
  27. 27.205.2 × 10 =
  28. 28.16.96 ÷ 1000 =
  29. 29.134.3 ÷ 100 =
  30. 30.37.07 × 1000 =
  31. 31.3.52 × 10 =
  32. 32.467.4 × 10 =
  33. 33.417.1 × 1000 =
  34. 34.492.7 × 1000 =
  35. 35.62.1 × 1000 =
  36. 36.20.43 ÷ 1000 =
  37. 37.37.08 × 100 =
  38. 38.88.8 ÷ 100 =
  39. 39.318.2 × 10 =
  40. 40.33.79 ÷ 10 =

Answer key

  1. 419
  2. 0.4791
  3. 0.3121
  4. 0.2095
  5. 24.78
  6. 22640
  7. 0.1021
  8. 48.66
  9. 881
  10. 6010
  11. 39540
  12. 370.2
  13. 0.00541
  14. 0.0459
  15. 0.02801
  16. 1.115
  17. 163.7
  18. 2490
  19. 0.571
  20. 179.4
  21. 0.4471
  22. 2183
  23. 12.31
  24. 0.3022
  25. 79100
  26. 4.73
  27. 2052
  28. 0.01696
  29. 1.343
  30. 37070
  31. 35.2
  32. 4674
  33. 417100
  34. 492700
  35. 62100
  36. 0.02043
  37. 3708
  38. 0.888
  39. 3182
  40. 3.379

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