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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 884 · 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. 1.338.7 ÷ 10 =
  2. 2.44.39 ÷ 10 =
  3. 3.477.4 ÷ 1000 =
  4. 4.283.1 ÷ 1000 =
  5. 5.22.66 × 1000 =
  6. 6.373.1 ÷ 100 =
  7. 7.110.8 × 1000 =
  8. 8.16.05 × 100 =
  9. 9.11.72 × 100 =
  10. 10.55.1 ÷ 10 =
  11. 11.32.89 ÷ 100 =
  12. 12.438.1 × 1000 =
  13. 13.254.9 ÷ 10 =
  14. 14.248.4 × 10 =
  15. 15.463.8 × 1000 =
  16. 16.25.88 × 100 =
  17. 17.51.8 ÷ 10 =
  18. 18.348.5 ÷ 10 =
  19. 19.17.91 × 1000 =
  20. 20.440.9 × 10 =
  21. 21.73.8 × 100 =
  22. 22.31.58 ÷ 1000 =
  23. 23.282.1 ÷ 100 =
  24. 24.7.55 × 100 =
  25. 25.12.81 × 100 =
  26. 26.48.99 ÷ 100 =
  27. 27.39.51 ÷ 10 =
  28. 28.28.81 ÷ 10 =
  29. 29.35.79 × 1000 =
  30. 30.49.31 ÷ 10 =
  31. 31.7.14 × 100 =
  32. 32.32.22 ÷ 10 =
  33. 33.218.6 × 10 =
  34. 34.37.29 ÷ 100 =
  35. 35.261.5 × 100 =
  36. 36.9.33 ÷ 10 =
  37. 37.20.87 × 10 =
  38. 38.235.1 ÷ 100 =
  39. 39.48.45 ÷ 10 =
  40. 40.48.6 ÷ 10 =

Answer key

  1. 33.87
  2. 4.439
  3. 0.4774
  4. 0.2831
  5. 22660
  6. 3.731
  7. 110800
  8. 1605
  9. 1172
  10. 5.51
  11. 0.3289
  12. 438100
  13. 25.49
  14. 2484
  15. 463800
  16. 2588
  17. 5.18
  18. 34.85
  19. 17910
  20. 4409
  21. 7380
  22. 0.03158
  23. 2.821
  24. 755
  25. 1281
  26. 0.4899
  27. 3.951
  28. 2.881
  29. 35790
  30. 4.931
  31. 714
  32. 3.222
  33. 2186
  34. 0.3729
  35. 26150
  36. 0.933
  37. 208.7
  38. 2.351
  39. 4.845
  40. 4.86

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