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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 819 · 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. 1.414.6 ÷ 1000 =
  2. 2.364.1 × 100 =
  3. 3.5.64 ÷ 100 =
  4. 4.33.56 × 100 =
  5. 5.17.16 × 10 =
  6. 6.457.1 × 10 =
  7. 7.46.45 × 1000 =
  8. 8.218.5 × 10 =
  9. 9.40.81 ÷ 10 =
  10. 10.159.2 × 10 =
  11. 11.39.87 × 10 =
  12. 12.42.9 ÷ 1000 =
  13. 13.489.4 ÷ 1000 =
  14. 14.17.4 ÷ 100 =
  15. 15.27.63 ÷ 1000 =
  16. 16.4.39 ÷ 1000 =
  17. 17.4.36 × 10 =
  18. 18.439.6 ÷ 10 =
  19. 19.20.64 ÷ 10 =
  20. 20.239.1 ÷ 10 =
  21. 21.118.2 × 10 =
  22. 22.289.1 × 100 =
  23. 23.49.81 ÷ 100 =
  24. 24.383.2 ÷ 100 =
  25. 25.125.8 × 100 =
  26. 26.455.1 ÷ 1000 =
  27. 27.1.87 × 100 =
  28. 28.451.5 × 1000 =
  29. 29.65.1 × 10 =
  30. 30.7.96 ÷ 1000 =
  31. 31.303.4 × 10 =
  32. 32.26.42 × 1000 =
  33. 33.134.2 × 1000 =
  34. 34.468.9 × 1000 =
  35. 35.377.3 ÷ 10 =
  36. 36.13.12 × 100 =
  37. 37.35.46 × 10 =
  38. 38.288.9 × 1000 =
  39. 39.320.8 × 10 =
  40. 40.410.1 × 100 =

Answer key

  1. 0.4146
  2. 36410
  3. 0.0564
  4. 3356
  5. 171.6
  6. 4571
  7. 46450
  8. 2185
  9. 4.081
  10. 1592
  11. 398.7
  12. 0.0429
  13. 0.4894
  14. 0.174
  15. 0.02763
  16. 0.00439
  17. 43.6
  18. 43.96
  19. 2.064
  20. 23.91
  21. 1182
  22. 28910
  23. 0.4981
  24. 3.832
  25. 12580
  26. 0.4551
  27. 187
  28. 451500
  29. 651
  30. 0.00796
  31. 3034
  32. 26420
  33. 134200
  34. 468900
  35. 37.73
  36. 1312
  37. 354.6
  38. 288900
  39. 3208
  40. 41010

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