← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 824 · 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. 1.34.87 × 1000 =
  2. 2.397.9 ÷ 1000 =
  3. 3.15.81 × 1000 =
  4. 4.23.24 ÷ 10 =
  5. 5.419.4 ÷ 100 =
  6. 6.446.3 ÷ 1000 =
  7. 7.424.2 × 10 =
  8. 8.233.4 ÷ 1000 =
  9. 9.147.4 × 10 =
  10. 10.21.6 ÷ 100 =
  11. 11.80.4 × 100 =
  12. 12.29.37 ÷ 10 =
  13. 13.370.9 × 10 =
  14. 14.49.11 × 1000 =
  15. 15.76.7 × 1000 =
  16. 16.38.74 ÷ 10 =
  17. 17.478.8 × 1000 =
  18. 18.247.8 × 10 =
  19. 19.76.1 × 10 =
  20. 20.3.23 × 10 =
  21. 21.49.8 × 10 =
  22. 22.12.53 ÷ 10 =
  23. 23.215.7 × 100 =
  24. 24.25.36 ÷ 1000 =
  25. 25.338.5 ÷ 100 =
  26. 26.3.8 × 100 =
  27. 27.13.91 ÷ 100 =
  28. 28.23.27 ÷ 1000 =
  29. 29.272.2 × 100 =
  30. 30.48.22 ÷ 100 =
  31. 31.121.3 × 10 =
  32. 32.27.69 ÷ 1000 =
  33. 33.43.32 ÷ 10 =
  34. 34.3.97 ÷ 1000 =
  35. 35.18.44 ÷ 10 =
  36. 36.151.2 ÷ 1000 =
  37. 37.57.6 ÷ 100 =
  38. 38.436.5 × 100 =
  39. 39.467.2 × 100 =
  40. 40.15.83 × 1000 =

Answer key

  1. 34870
  2. 0.3979
  3. 15810
  4. 2.324
  5. 4.194
  6. 0.4463
  7. 4242
  8. 0.2334
  9. 1474
  10. 0.216
  11. 8040
  12. 2.937
  13. 3709
  14. 49110
  15. 76700
  16. 3.874
  17. 478800
  18. 2478
  19. 761
  20. 32.3
  21. 498
  22. 1.253
  23. 21570
  24. 0.02536
  25. 3.385
  26. 380
  27. 0.1391
  28. 0.02327
  29. 27220
  30. 0.4822
  31. 1213
  32. 0.02769
  33. 4.332
  34. 0.00397
  35. 1.844
  36. 0.1512
  37. 0.576
  38. 43650
  39. 46720
  40. 15830

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