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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 778 · 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. 1.20.23 ÷ 100 =
  2. 2.87.4 ÷ 100 =
  3. 3.400.2 ÷ 100 =
  4. 4.307.1 ÷ 1000 =
  5. 5.28.61 ÷ 100 =
  6. 6.346.2 × 100 =
  7. 7.15.87 × 10 =
  8. 8.212.2 × 10 =
  9. 9.7.51 × 1000 =
  10. 10.188.2 ÷ 100 =
  11. 11.494.8 ÷ 1000 =
  12. 12.410.1 × 10 =
  13. 13.24.51 × 100 =
  14. 14.468.9 × 100 =
  15. 15.165.8 ÷ 1000 =
  16. 16.5.39 ÷ 100 =
  17. 17.6.87 × 1000 =
  18. 18.311.1 × 1000 =
  19. 19.394.4 ÷ 1000 =
  20. 20.435.2 × 10 =
  21. 21.5.81 × 10 =
  22. 22.26.44 ÷ 10 =
  23. 23.0.55 × 10 =
  24. 24.241.2 ÷ 1000 =
  25. 25.15.73 ÷ 100 =
  26. 26.151.4 ÷ 100 =
  27. 27.16.37 ÷ 1000 =
  28. 28.416.6 ÷ 1000 =
  29. 29.425.1 × 1000 =
  30. 30.19.66 ÷ 100 =
  31. 31.27.52 × 10 =
  32. 32.27.62 × 10 =
  33. 33.397.8 × 1000 =
  34. 34.316.7 × 1000 =
  35. 35.31.71 ÷ 1000 =
  36. 36.29.3 ÷ 100 =
  37. 37.16.3 × 10 =
  38. 38.35.05 × 10 =
  39. 39.30.74 ÷ 10 =
  40. 40.292.2 ÷ 1000 =

Answer key

  1. 0.2023
  2. 0.874
  3. 4.002
  4. 0.3071
  5. 0.2861
  6. 34620
  7. 158.7
  8. 2122
  9. 7510
  10. 1.882
  11. 0.4948
  12. 4101
  13. 2451
  14. 46890
  15. 0.1658
  16. 0.0539
  17. 6870
  18. 311100
  19. 0.3944
  20. 4352
  21. 58.1
  22. 2.644
  23. 5.5
  24. 0.2412
  25. 0.1573
  26. 1.514
  27. 0.01637
  28. 0.4166
  29. 425100
  30. 0.1966
  31. 275.2
  32. 276.2
  33. 397800
  34. 316700
  35. 0.03171
  36. 0.293
  37. 163
  38. 350.5
  39. 3.074
  40. 0.2922

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