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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 981 · 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. 1.36.62 ÷ 1000 =
  2. 2.171.4 ÷ 1000 =
  3. 3.408.3 ÷ 100 =
  4. 4.386.3 × 100 =
  5. 5.1.67 × 1000 =
  6. 6.423.6 × 1000 =
  7. 7.249.4 × 1000 =
  8. 8.330.1 ÷ 1000 =
  9. 9.198.7 × 100 =
  10. 10.20.1 ÷ 100 =
  11. 11.18.9 × 1000 =
  12. 12.96.3 × 100 =
  13. 13.218.1 × 10 =
  14. 14.240.2 ÷ 10 =
  15. 15.218.4 ÷ 1000 =
  16. 16.24.17 × 10 =
  17. 17.62.3 × 10 =
  18. 18.371.8 × 10 =
  19. 19.2.61 × 1000 =
  20. 20.7.05 ÷ 100 =
  21. 21.269.8 × 10 =
  22. 22.48.66 × 10 =
  23. 23.20.07 × 10 =
  24. 24.130.3 × 10 =
  25. 25.28.5 × 100 =
  26. 26.137.1 ÷ 100 =
  27. 27.10.22 × 1000 =
  28. 28.301.1 ÷ 1000 =
  29. 29.6.5 ÷ 1000 =
  30. 30.407.9 ÷ 10 =
  31. 31.16.31 ÷ 100 =
  32. 32.37.39 ÷ 1000 =
  33. 33.22.78 × 10 =
  34. 34.38.05 × 100 =
  35. 35.32.22 × 100 =
  36. 36.13.7 ÷ 10 =
  37. 37.15.65 ÷ 1000 =
  38. 38.19.6 × 10 =
  39. 39.26.99 ÷ 10 =
  40. 40.154.1 ÷ 10 =

Answer key

  1. 0.03662
  2. 0.1714
  3. 4.083
  4. 38630
  5. 1670
  6. 423600
  7. 249400
  8. 0.3301
  9. 19870
  10. 0.201
  11. 18900
  12. 9630
  13. 2181
  14. 24.02
  15. 0.2184
  16. 241.7
  17. 623
  18. 3718
  19. 2610
  20. 0.0705
  21. 2698
  22. 486.6
  23. 200.7
  24. 1303
  25. 2850
  26. 1.371
  27. 10220
  28. 0.3011
  29. 0.0065
  30. 40.79
  31. 0.1631
  32. 0.03739
  33. 227.8
  34. 3805
  35. 3222
  36. 1.37
  37. 0.01565
  38. 196
  39. 2.699
  40. 15.41

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