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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 547 · 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. 1.340.3 ÷ 10 =
  2. 2.28.02 ÷ 1000 =
  3. 3.2.8 × 1000 =
  4. 4.35.21 ÷ 1000 =
  5. 5.36.63 × 1000 =
  6. 6.24.52 × 1000 =
  7. 7.7.67 × 100 =
  8. 8.28.51 ÷ 1000 =
  9. 9.336.6 ÷ 10 =
  10. 10.231.7 × 10 =
  11. 11.387.7 ÷ 1000 =
  12. 12.447.7 × 10 =
  13. 13.498.2 ÷ 100 =
  14. 14.51.8 × 100 =
  15. 15.14.63 ÷ 10 =
  16. 16.21.71 × 10 =
  17. 17.223.9 ÷ 10 =
  18. 18.18.93 × 10 =
  19. 19.0.36 × 100 =
  20. 20.6.21 ÷ 100 =
  21. 21.386.5 × 1000 =
  22. 22.22.02 ÷ 100 =
  23. 23.263.4 × 10 =
  24. 24.19.58 × 10 =
  25. 25.7.95 ÷ 1000 =
  26. 26.12.98 ÷ 10 =
  27. 27.218.6 ÷ 100 =
  28. 28.480.1 × 100 =
  29. 29.51.1 × 1000 =
  30. 30.40.8 ÷ 100 =
  31. 31.5.63 × 10 =
  32. 32.108.5 × 10 =
  33. 33.58.4 × 10 =
  34. 34.7.17 ÷ 100 =
  35. 35.470.1 × 10 =
  36. 36.29.99 × 1000 =
  37. 37.49.04 ÷ 1000 =
  38. 38.43.94 ÷ 1000 =
  39. 39.20.02 ÷ 10 =
  40. 40.277.1 ÷ 10 =

Answer key

  1. 34.03
  2. 0.02802
  3. 2800
  4. 0.03521
  5. 36630
  6. 24520
  7. 767
  8. 0.02851
  9. 33.66
  10. 2317
  11. 0.3877
  12. 4477
  13. 4.982
  14. 5180
  15. 1.463
  16. 217.1
  17. 22.39
  18. 189.3
  19. 36
  20. 0.0621
  21. 386500
  22. 0.2202
  23. 2634
  24. 195.8
  25. 0.00795
  26. 1.298
  27. 2.186
  28. 48010
  29. 51100
  30. 0.408
  31. 56.3
  32. 1085
  33. 584
  34. 0.0717
  35. 4701
  36. 29990
  37. 0.04904
  38. 0.04394
  39. 2.002
  40. 27.71

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