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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 828 · 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. 1.260.3 ÷ 1000 =
  2. 2.131.2 × 1000 =
  3. 3.180.1 × 100 =
  4. 4.36.01 × 10 =
  5. 5.54.8 × 100 =
  6. 6.24.65 ÷ 1000 =
  7. 7.29.4 ÷ 1000 =
  8. 8.23.95 ÷ 10 =
  9. 9.28.38 × 100 =
  10. 10.367.2 ÷ 100 =
  11. 11.15.65 × 100 =
  12. 12.33.21 ÷ 10 =
  13. 13.211.1 × 10 =
  14. 14.167.9 ÷ 1000 =
  15. 15.258.6 × 1000 =
  16. 16.387.2 × 10 =
  17. 17.466.3 ÷ 10 =
  18. 18.12.41 × 1000 =
  19. 19.275.2 ÷ 100 =
  20. 20.3.55 ÷ 1000 =
  21. 21.36.27 × 10 =
  22. 22.47.87 ÷ 1000 =
  23. 23.95.7 ÷ 1000 =
  24. 24.133.7 × 10 =
  25. 25.26.56 × 100 =
  26. 26.401.6 × 100 =
  27. 27.308.3 ÷ 100 =
  28. 28.39.19 × 1000 =
  29. 29.91.4 ÷ 10 =
  30. 30.183.4 × 10 =
  31. 31.109.3 × 10 =
  32. 32.176.1 × 10 =
  33. 33.72.4 × 1000 =
  34. 34.4.83 × 10 =
  35. 35.22.1 ÷ 10 =
  36. 36.12.83 × 1000 =
  37. 37.276.3 ÷ 1000 =
  38. 38.289.1 × 10 =
  39. 39.393.8 ÷ 10 =
  40. 40.355.2 ÷ 100 =

Answer key

  1. 0.2603
  2. 131200
  3. 18010
  4. 360.1
  5. 5480
  6. 0.02465
  7. 0.0294
  8. 2.395
  9. 2838
  10. 3.672
  11. 1565
  12. 3.321
  13. 2111
  14. 0.1679
  15. 258600
  16. 3872
  17. 46.63
  18. 12410
  19. 2.752
  20. 0.00355
  21. 362.7
  22. 0.04787
  23. 0.0957
  24. 1337
  25. 2656
  26. 40160
  27. 3.083
  28. 39190
  29. 9.14
  30. 1834
  31. 1093
  32. 1761
  33. 72400
  34. 48.3
  35. 2.21
  36. 12830
  37. 0.2763
  38. 2891
  39. 39.38
  40. 3.552

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