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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 510 · 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. 1.17.59 ÷ 10 =
  2. 2.265.8 × 10 =
  3. 3.455.6 × 100 =
  4. 4.111.2 × 100 =
  5. 5.45.25 × 100 =
  6. 6.125.3 ÷ 10 =
  7. 7.110.2 × 10 =
  8. 8.497.4 ÷ 1000 =
  9. 9.32.3 × 1000 =
  10. 10.34.11 ÷ 10 =
  11. 11.6.85 × 10 =
  12. 12.378.9 × 100 =
  13. 13.37.65 ÷ 10 =
  14. 14.40.1 ÷ 1000 =
  15. 15.117.5 ÷ 1000 =
  16. 16.232.8 ÷ 1000 =
  17. 17.3.38 × 1000 =
  18. 18.244.3 ÷ 10 =
  19. 19.8.25 ÷ 10 =
  20. 20.480.9 ÷ 10 =
  21. 21.296.6 ÷ 100 =
  22. 22.415.9 ÷ 100 =
  23. 23.19.74 × 1000 =
  24. 24.9.92 × 100 =
  25. 25.26.6 × 100 =
  26. 26.101.2 ÷ 1000 =
  27. 27.135.4 × 10 =
  28. 28.49.82 ÷ 100 =
  29. 29.36.12 ÷ 10 =
  30. 30.61.4 × 100 =
  31. 31.248.7 ÷ 100 =
  32. 32.24.48 × 100 =
  33. 33.39.71 × 100 =
  34. 34.36.3 × 1000 =
  35. 35.422.5 × 100 =
  36. 36.44.3 × 1000 =
  37. 37.27.46 ÷ 1000 =
  38. 38.19.08 ÷ 100 =
  39. 39.15.71 × 100 =
  40. 40.3.57 ÷ 1000 =

Answer key

  1. 1.759
  2. 2658
  3. 45560
  4. 11120
  5. 4525
  6. 12.53
  7. 1102
  8. 0.4974
  9. 32300
  10. 3.411
  11. 68.5
  12. 37890
  13. 3.765
  14. 0.0401
  15. 0.1175
  16. 0.2328
  17. 3380
  18. 24.43
  19. 0.825
  20. 48.09
  21. 2.966
  22. 4.159
  23. 19740
  24. 992
  25. 2660
  26. 0.1012
  27. 1354
  28. 0.4982
  29. 3.612
  30. 6140
  31. 2.487
  32. 2448
  33. 3971
  34. 36300
  35. 42250
  36. 44300
  37. 0.02746
  38. 0.1908
  39. 1571
  40. 0.00357

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