← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 318 · 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. 1.249.8 × 100 =
  2. 2.87.8 × 100 =
  3. 3.24.89 ÷ 100 =
  4. 4.408.2 ÷ 1000 =
  5. 5.29.81 × 100 =
  6. 6.70.1 × 10 =
  7. 7.188.6 × 100 =
  8. 8.72.1 × 10 =
  9. 9.11.66 × 100 =
  10. 10.133.5 ÷ 100 =
  11. 11.30.17 × 1000 =
  12. 12.12.18 ÷ 100 =
  13. 13.4.94 ÷ 1000 =
  14. 14.88.3 × 100 =
  15. 15.24.72 ÷ 10 =
  16. 16.310.2 ÷ 10 =
  17. 17.76.8 × 100 =
  18. 18.8.34 ÷ 10 =
  19. 19.351.6 ÷ 10 =
  20. 20.186.5 × 10 =
  21. 21.10.45 ÷ 100 =
  22. 22.19.98 × 100 =
  23. 23.48.98 ÷ 100 =
  24. 24.127.2 × 100 =
  25. 25.100.6 ÷ 1000 =
  26. 26.355.5 × 100 =
  27. 27.443.6 ÷ 100 =
  28. 28.22.91 ÷ 100 =
  29. 29.31.25 × 10 =
  30. 30.498.3 ÷ 1000 =
  31. 31.38.66 × 1000 =
  32. 32.11.52 ÷ 1000 =
  33. 33.33.93 × 1000 =
  34. 34.46.1 ÷ 10 =
  35. 35.157.7 × 1000 =
  36. 36.31.77 × 10 =
  37. 37.437.8 × 1000 =
  38. 38.47.92 ÷ 100 =
  39. 39.8.38 × 10 =
  40. 40.10.51 ÷ 100 =

Answer key

  1. 24980
  2. 8780
  3. 0.2489
  4. 0.4082
  5. 2981
  6. 701
  7. 18860
  8. 721
  9. 1166
  10. 1.335
  11. 30170
  12. 0.1218
  13. 0.00494
  14. 8830
  15. 2.472
  16. 31.02
  17. 7680
  18. 0.834
  19. 35.16
  20. 1865
  21. 0.1045
  22. 1998
  23. 0.4898
  24. 12720
  25. 0.1006
  26. 35550
  27. 4.436
  28. 0.2291
  29. 312.5
  30. 0.4983
  31. 38660
  32. 0.01152
  33. 33930
  34. 4.61
  35. 157700
  36. 317.7
  37. 437800
  38. 0.4792
  39. 83.8
  40. 0.1051

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