← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 6 · 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. 1.22.46 ÷ 1000 =
  2. 2.27.8 ÷ 10 =
  3. 3.16.25 × 10 =
  4. 4.333.1 × 1000 =
  5. 5.32.28 × 10 =
  6. 6.130.4 ÷ 100 =
  7. 7.461.5 ÷ 100 =
  8. 8.485.1 × 1000 =
  9. 9.1.91 ÷ 1000 =
  10. 10.17.69 ÷ 100 =
  11. 11.149.6 ÷ 1000 =
  12. 12.453.1 × 100 =
  13. 13.217.4 × 10 =
  14. 14.255.1 × 10 =
  15. 15.11.39 ÷ 1000 =
  16. 16.3.23 × 10 =
  17. 17.18.39 ÷ 1000 =
  18. 18.136.1 × 10 =
  19. 19.40.31 × 1000 =
  20. 20.10.62 × 10 =
  21. 21.47.4 × 10 =
  22. 22.1.24 × 1000 =
  23. 23.477.3 ÷ 10 =
  24. 24.238.1 × 10 =
  25. 25.81.3 ÷ 10 =
  26. 26.296.9 × 100 =
  27. 27.0.28 ÷ 1000 =
  28. 28.204.7 ÷ 1000 =
  29. 29.162.7 ÷ 100 =
  30. 30.49.82 ÷ 100 =
  31. 31.379.8 × 100 =
  32. 32.16.02 × 1000 =
  33. 33.225.1 × 100 =
  34. 34.264.9 ÷ 10 =
  35. 35.264.4 ÷ 1000 =
  36. 36.39.56 ÷ 1000 =
  37. 37.69.3 × 10 =
  38. 38.414.6 × 1000 =
  39. 39.382.8 ÷ 100 =
  40. 40.9.19 ÷ 1000 =

Answer key

  1. 0.02246
  2. 2.78
  3. 162.5
  4. 333100
  5. 322.8
  6. 1.304
  7. 4.615
  8. 485100
  9. 0.00191
  10. 0.1769
  11. 0.1496
  12. 45310
  13. 2174
  14. 2551
  15. 0.01139
  16. 32.3
  17. 0.01839
  18. 1361
  19. 40310
  20. 106.2
  21. 474
  22. 1240
  23. 47.73
  24. 2381
  25. 8.13
  26. 29690
  27. 0.00028
  28. 0.2047
  29. 1.627
  30. 0.4982
  31. 37980
  32. 16020
  33. 22510
  34. 26.49
  35. 0.2644
  36. 0.03956
  37. 693
  38. 414600
  39. 3.828
  40. 0.00919

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