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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 821 · 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. 1.426.1 ÷ 1000 =
  2. 2.374.8 × 10 =
  3. 3.435.4 ÷ 100 =
  4. 4.259.3 ÷ 100 =
  5. 5.11.04 ÷ 10 =
  6. 6.15.35 ÷ 1000 =
  7. 7.27.66 ÷ 10 =
  8. 8.46.52 × 100 =
  9. 9.345.1 × 10 =
  10. 10.24.97 × 10 =
  11. 11.4.39 × 100 =
  12. 12.1.23 × 100 =
  13. 13.465.9 ÷ 1000 =
  14. 14.472.9 ÷ 10 =
  15. 15.422.1 × 100 =
  16. 16.0.46 × 100 =
  17. 17.36.27 ÷ 10 =
  18. 18.425.4 ÷ 10 =
  19. 19.333.4 × 100 =
  20. 20.362.8 ÷ 1000 =
  21. 21.38.81 ÷ 10 =
  22. 22.1.05 × 10 =
  23. 23.105.6 × 10 =
  24. 24.0.91 × 100 =
  25. 25.242.6 × 1000 =
  26. 26.170.2 × 100 =
  27. 27.179.6 ÷ 100 =
  28. 28.38.03 × 100 =
  29. 29.28.56 × 10 =
  30. 30.42.97 × 100 =
  31. 31.8.71 × 1000 =
  32. 32.39.79 × 1000 =
  33. 33.377.3 ÷ 100 =
  34. 34.12.41 ÷ 100 =
  35. 35.7.47 ÷ 10 =
  36. 36.223.1 × 10 =
  37. 37.29.14 × 100 =
  38. 38.408.7 ÷ 10 =
  39. 39.2.78 ÷ 10 =
  40. 40.5.63 × 10 =

Answer key

  1. 0.4261
  2. 3748
  3. 4.354
  4. 2.593
  5. 1.104
  6. 0.01535
  7. 2.766
  8. 4652
  9. 3451
  10. 249.7
  11. 439
  12. 123
  13. 0.4659
  14. 47.29
  15. 42210
  16. 46
  17. 3.627
  18. 42.54
  19. 33340
  20. 0.3628
  21. 3.881
  22. 10.5
  23. 1056
  24. 91
  25. 242600
  26. 17020
  27. 1.796
  28. 3803
  29. 285.6
  30. 4297
  31. 8710
  32. 39790
  33. 3.773
  34. 0.1241
  35. 0.747
  36. 2231
  37. 2914
  38. 40.87
  39. 0.278
  40. 56.3

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