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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 17 · 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. 1.381.7 ÷ 10 =
  2. 2.14.69 × 1000 =
  3. 3.456.3 × 10 =
  4. 4.499.7 ÷ 1000 =
  5. 5.46.62 × 1000 =
  6. 6.477.2 × 100 =
  7. 7.222.8 ÷ 10 =
  8. 8.442.2 ÷ 100 =
  9. 9.47.26 ÷ 1000 =
  10. 10.411.6 ÷ 1000 =
  11. 11.42.61 ÷ 100 =
  12. 12.84.1 ÷ 100 =
  13. 13.276.3 ÷ 1000 =
  14. 14.145.6 × 100 =
  15. 15.326.3 × 1000 =
  16. 16.386.8 × 10 =
  17. 17.124.9 ÷ 10 =
  18. 18.19.16 × 100 =
  19. 19.21.55 ÷ 1000 =
  20. 20.24.31 × 10 =
  21. 21.443.9 × 10 =
  22. 22.40.3 × 1000 =
  23. 23.260.1 ÷ 10 =
  24. 24.2.13 × 10 =
  25. 25.48.28 × 100 =
  26. 26.4.29 ÷ 1000 =
  27. 27.16.32 × 1000 =
  28. 28.68.4 × 10 =
  29. 29.406.2 ÷ 10 =
  30. 30.174.6 × 100 =
  31. 31.94.8 ÷ 100 =
  32. 32.108.3 ÷ 100 =
  33. 33.26.7 ÷ 100 =
  34. 34.354.6 ÷ 10 =
  35. 35.410.9 × 10 =
  36. 36.463.6 × 10 =
  37. 37.6.58 × 1000 =
  38. 38.40.33 ÷ 100 =
  39. 39.2.83 ÷ 100 =
  40. 40.36.58 ÷ 1000 =

Answer key

  1. 38.17
  2. 14690
  3. 4563
  4. 0.4997
  5. 46620
  6. 47720
  7. 22.28
  8. 4.422
  9. 0.04726
  10. 0.4116
  11. 0.4261
  12. 0.841
  13. 0.2763
  14. 14560
  15. 326300
  16. 3868
  17. 12.49
  18. 1916
  19. 0.02155
  20. 243.1
  21. 4439
  22. 40300
  23. 26.01
  24. 21.3
  25. 4828
  26. 0.00429
  27. 16320
  28. 684
  29. 40.62
  30. 17460
  31. 0.948
  32. 1.083
  33. 0.267
  34. 35.46
  35. 4109
  36. 4636
  37. 6580
  38. 0.4033
  39. 0.0283
  40. 0.03658

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