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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 198 · 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. 1.95.1 ÷ 100 =
  2. 2.19.18 ÷ 10 =
  3. 3.20.15 × 10 =
  4. 4.368.1 ÷ 100 =
  5. 5.21.46 ÷ 100 =
  6. 6.440.8 ÷ 1000 =
  7. 7.6.93 ÷ 10 =
  8. 8.30.47 × 10 =
  9. 9.23.91 ÷ 10 =
  10. 10.354.6 × 10 =
  11. 11.16.85 × 1000 =
  12. 12.383.5 × 10 =
  13. 13.19.38 ÷ 1000 =
  14. 14.8.71 × 1000 =
  15. 15.22.61 ÷ 1000 =
  16. 16.47.66 × 1000 =
  17. 17.469.8 ÷ 10 =
  18. 18.25.73 × 10 =
  19. 19.34.46 ÷ 10 =
  20. 20.8.46 × 100 =
  21. 21.88.4 × 1000 =
  22. 22.300.7 ÷ 10 =
  23. 23.29.52 × 100 =
  24. 24.273.7 × 100 =
  25. 25.380.1 ÷ 1000 =
  26. 26.312.5 × 100 =
  27. 27.32.62 × 10 =
  28. 28.165.8 × 1000 =
  29. 29.5.77 × 10 =
  30. 30.8.19 ÷ 1000 =
  31. 31.45.94 ÷ 1000 =
  32. 32.31.07 ÷ 1000 =
  33. 33.19.46 ÷ 1000 =
  34. 34.21.67 × 100 =
  35. 35.249.2 ÷ 100 =
  36. 36.40.13 × 10 =
  37. 37.350.5 × 100 =
  38. 38.477.7 ÷ 100 =
  39. 39.158.8 × 1000 =
  40. 40.13.81 ÷ 10 =

Answer key

  1. 0.951
  2. 1.918
  3. 201.5
  4. 3.681
  5. 0.2146
  6. 0.4408
  7. 0.693
  8. 304.7
  9. 2.391
  10. 3546
  11. 16850
  12. 3835
  13. 0.01938
  14. 8710
  15. 0.02261
  16. 47660
  17. 46.98
  18. 257.3
  19. 3.446
  20. 846
  21. 88400
  22. 30.07
  23. 2952
  24. 27370
  25. 0.3801
  26. 31250
  27. 326.2
  28. 165800
  29. 57.7
  30. 0.00819
  31. 0.04594
  32. 0.03107
  33. 0.01946
  34. 2167
  35. 2.492
  36. 401.3
  37. 35050
  38. 4.777
  39. 158800
  40. 1.381

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