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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 474 · 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. 1.396.8 ÷ 10 =
  2. 2.36.92 ÷ 100 =
  3. 3.27.9 ÷ 1000 =
  4. 4.122.2 ÷ 100 =
  5. 5.286.1 × 100 =
  6. 6.8.75 × 1000 =
  7. 7.411.4 ÷ 10 =
  8. 8.236.2 × 10 =
  9. 9.294.1 × 1000 =
  10. 10.25.71 × 1000 =
  11. 11.148.9 × 10 =
  12. 12.467.6 × 100 =
  13. 13.131.4 ÷ 10 =
  14. 14.42.82 ÷ 10 =
  15. 15.498.1 × 100 =
  16. 16.46.35 ÷ 10 =
  17. 17.437.8 × 10 =
  18. 18.41.66 × 1000 =
  19. 19.3.16 × 100 =
  20. 20.3.08 ÷ 1000 =
  21. 21.0.93 ÷ 10 =
  22. 22.42.45 ÷ 10 =
  23. 23.412.7 × 10 =
  24. 24.246.4 ÷ 1000 =
  25. 25.120.3 × 10 =
  26. 26.17.75 × 100 =
  27. 27.28.92 ÷ 1000 =
  28. 28.15.76 ÷ 10 =
  29. 29.28.1 × 100 =
  30. 30.387.5 × 100 =
  31. 31.13.21 × 100 =
  32. 32.246.4 ÷ 1000 =
  33. 33.120.8 × 10 =
  34. 34.3.26 ÷ 1000 =
  35. 35.55.3 × 1000 =
  36. 36.5.37 ÷ 10 =
  37. 37.269.2 × 10 =
  38. 38.453.5 ÷ 10 =
  39. 39.9.7 ÷ 1000 =
  40. 40.33.71 × 10 =

Answer key

  1. 39.68
  2. 0.3692
  3. 0.0279
  4. 1.222
  5. 28610
  6. 8750
  7. 41.14
  8. 2362
  9. 294100
  10. 25710
  11. 1489
  12. 46760
  13. 13.14
  14. 4.282
  15. 49810
  16. 4.635
  17. 4378
  18. 41660
  19. 316
  20. 0.00308
  21. 0.093
  22. 4.245
  23. 4127
  24. 0.2464
  25. 1203
  26. 1775
  27. 0.02892
  28. 1.576
  29. 2810
  30. 38750
  31. 1321
  32. 0.2464
  33. 1208
  34. 0.00326
  35. 55300
  36. 0.537
  37. 2692
  38. 45.35
  39. 0.0097
  40. 337.1

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