← Decimal point jumps lesson New set →

Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 810 · 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. 1.48.16 ÷ 10 =
  2. 2.361.1 ÷ 1000 =
  3. 3.27.17 × 100 =
  4. 4.356.9 × 10 =
  5. 5.90.8 × 1000 =
  6. 6.14.82 ÷ 10 =
  7. 7.21.55 ÷ 1000 =
  8. 8.359.1 × 10 =
  9. 9.459.1 × 100 =
  10. 10.8.79 ÷ 100 =
  11. 11.49.06 × 10 =
  12. 12.18.7 ÷ 100 =
  13. 13.24.66 ÷ 100 =
  14. 14.48.34 ÷ 10 =
  15. 15.13.44 ÷ 10 =
  16. 16.124.4 ÷ 10 =
  17. 17.479.9 × 1000 =
  18. 18.473.6 × 10 =
  19. 19.23.39 ÷ 100 =
  20. 20.260.1 × 100 =
  21. 21.416.1 × 10 =
  22. 22.13.03 ÷ 1000 =
  23. 23.5.12 × 10 =
  24. 24.472.5 × 10 =
  25. 25.29.34 ÷ 1000 =
  26. 26.17.67 × 100 =
  27. 27.352.8 ÷ 1000 =
  28. 28.334.2 × 100 =
  29. 29.374.3 × 1000 =
  30. 30.22.85 ÷ 10 =
  31. 31.232.2 × 10 =
  32. 32.1.9 ÷ 1000 =
  33. 33.17.8 ÷ 1000 =
  34. 34.46.76 × 1000 =
  35. 35.0.85 ÷ 100 =
  36. 36.320.2 ÷ 1000 =
  37. 37.396.7 ÷ 10 =
  38. 38.33.85 × 10 =
  39. 39.223.2 ÷ 10 =
  40. 40.38.67 × 1000 =

Answer key

  1. 4.816
  2. 0.3611
  3. 2717
  4. 3569
  5. 90800
  6. 1.482
  7. 0.02155
  8. 3591
  9. 45910
  10. 0.0879
  11. 490.6
  12. 0.187
  13. 0.2466
  14. 4.834
  15. 1.344
  16. 12.44
  17. 479900
  18. 4736
  19. 0.2339
  20. 26010
  21. 4161
  22. 0.01303
  23. 51.2
  24. 4725
  25. 0.02934
  26. 1767
  27. 0.3528
  28. 33420
  29. 374300
  30. 2.285
  31. 2322
  32. 0.0019
  33. 0.0178
  34. 46760
  35. 0.0085
  36. 0.3202
  37. 39.67
  38. 338.5
  39. 22.32
  40. 38670

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