← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 426 · 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. 1.22.8 × 10 =
  2. 2.234.3 ÷ 1000 =
  3. 3.99.1 ÷ 10 =
  4. 4.379.9 ÷ 100 =
  5. 5.12.28 × 10 =
  6. 6.48.45 × 100 =
  7. 7.6.14 × 1000 =
  8. 8.17.41 ÷ 100 =
  9. 9.480.7 ÷ 1000 =
  10. 10.162.9 ÷ 10 =
  11. 11.305.8 ÷ 10 =
  12. 12.48.06 ÷ 100 =
  13. 13.358.2 ÷ 1000 =
  14. 14.12.55 × 1000 =
  15. 15.44.25 ÷ 1000 =
  16. 16.5.2 × 10 =
  17. 17.314.1 × 1000 =
  18. 18.81.8 ÷ 10 =
  19. 19.88.1 ÷ 10 =
  20. 20.474.3 × 100 =
  21. 21.132.7 × 100 =
  22. 22.3.85 ÷ 10 =
  23. 23.318.9 ÷ 10 =
  24. 24.265.9 × 1000 =
  25. 25.345.1 ÷ 1000 =
  26. 26.149.8 ÷ 10 =
  27. 27.191.5 ÷ 1000 =
  28. 28.347.6 ÷ 100 =
  29. 29.357.9 × 1000 =
  30. 30.31.06 ÷ 1000 =
  31. 31.279.8 × 10 =
  32. 32.371.7 ÷ 10 =
  33. 33.27.71 ÷ 1000 =
  34. 34.243.5 ÷ 100 =
  35. 35.196.1 ÷ 1000 =
  36. 36.368.9 × 100 =
  37. 37.11.25 × 10 =
  38. 38.39.9 ÷ 100 =
  39. 39.45.61 ÷ 100 =
  40. 40.416.7 ÷ 1000 =

Answer key

  1. 228
  2. 0.2343
  3. 9.91
  4. 3.799
  5. 122.8
  6. 4845
  7. 6140
  8. 0.1741
  9. 0.4807
  10. 16.29
  11. 30.58
  12. 0.4806
  13. 0.3582
  14. 12550
  15. 0.04425
  16. 52
  17. 314100
  18. 8.18
  19. 8.81
  20. 47430
  21. 13270
  22. 0.385
  23. 31.89
  24. 265900
  25. 0.3451
  26. 14.98
  27. 0.1915
  28. 3.476
  29. 357900
  30. 0.03106
  31. 2798
  32. 37.17
  33. 0.02771
  34. 2.435
  35. 0.1961
  36. 36890
  37. 112.5
  38. 0.399
  39. 0.4561
  40. 0.4167

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