← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 367 · 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. 1.303.9 × 1000 =
  2. 2.195.1 ÷ 1000 =
  3. 3.3.41 ÷ 100 =
  4. 4.72.8 × 1000 =
  5. 5.351.8 ÷ 1000 =
  6. 6.11.2 × 100 =
  7. 7.32.84 × 10 =
  8. 8.372.1 ÷ 10 =
  9. 9.27.83 × 1000 =
  10. 10.15.5 × 10 =
  11. 11.3.05 × 1000 =
  12. 12.64.3 ÷ 10 =
  13. 13.35.8 ÷ 1000 =
  14. 14.17.28 ÷ 100 =
  15. 15.81.8 ÷ 1000 =
  16. 16.6.18 × 1000 =
  17. 17.167.3 ÷ 100 =
  18. 18.36.55 × 10 =
  19. 19.36.4 × 10 =
  20. 20.138.8 × 10 =
  21. 21.28.57 × 1000 =
  22. 22.11.31 × 100 =
  23. 23.0.67 ÷ 1000 =
  24. 24.473.8 ÷ 10 =
  25. 25.405.6 ÷ 100 =
  26. 26.490.3 ÷ 10 =
  27. 27.461.7 ÷ 10 =
  28. 28.35.23 × 100 =
  29. 29.133.7 ÷ 1000 =
  30. 30.1.95 × 1000 =
  31. 31.10.15 × 100 =
  32. 32.47.21 × 100 =
  33. 33.49.7 × 10 =
  34. 34.26.67 × 100 =
  35. 35.33.41 ÷ 1000 =
  36. 36.29.27 × 10 =
  37. 37.223.7 × 1000 =
  38. 38.47.46 × 10 =
  39. 39.234.7 ÷ 100 =
  40. 40.375.3 ÷ 100 =

Answer key

  1. 303900
  2. 0.1951
  3. 0.0341
  4. 72800
  5. 0.3518
  6. 1120
  7. 328.4
  8. 37.21
  9. 27830
  10. 155
  11. 3050
  12. 6.43
  13. 0.0358
  14. 0.1728
  15. 0.0818
  16. 6180
  17. 1.673
  18. 365.5
  19. 364
  20. 1388
  21. 28570
  22. 1131
  23. 0.00067
  24. 47.38
  25. 4.056
  26. 49.03
  27. 46.17
  28. 3523
  29. 0.1337
  30. 1950
  31. 1015
  32. 4721
  33. 497
  34. 2667
  35. 0.03341
  36. 292.7
  37. 223700
  38. 474.6
  39. 2.347
  40. 3.753

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