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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 284 · 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. 1.62.9 ÷ 100 =
  2. 2.8.76 ÷ 100 =
  3. 3.34.72 ÷ 10 =
  4. 4.430.2 ÷ 1000 =
  5. 5.255.6 × 100 =
  6. 6.351.1 ÷ 1000 =
  7. 7.9.31 ÷ 100 =
  8. 8.16.07 × 10 =
  9. 9.465.9 ÷ 100 =
  10. 10.26.64 ÷ 100 =
  11. 11.17.82 × 1000 =
  12. 12.495.2 × 1000 =
  13. 13.41.53 × 1000 =
  14. 14.46.48 ÷ 1000 =
  15. 15.118.5 ÷ 100 =
  16. 16.373.1 × 1000 =
  17. 17.27.14 ÷ 10 =
  18. 18.26.24 × 1000 =
  19. 19.9.71 × 1000 =
  20. 20.325.1 × 10 =
  21. 21.393.3 × 10 =
  22. 22.64.8 ÷ 1000 =
  23. 23.23.44 × 10 =
  24. 24.295.6 × 1000 =
  25. 25.36.44 ÷ 1000 =
  26. 26.418.5 × 1000 =
  27. 27.11.62 ÷ 100 =
  28. 28.29.05 ÷ 1000 =
  29. 29.8.64 × 1000 =
  30. 30.25.07 × 1000 =
  31. 31.281.1 ÷ 100 =
  32. 32.170.7 ÷ 1000 =
  33. 33.380.9 × 100 =
  34. 34.6.03 × 100 =
  35. 35.38.4 ÷ 100 =
  36. 36.46.11 × 100 =
  37. 37.39.1 ÷ 100 =
  38. 38.34.45 × 100 =
  39. 39.7.26 ÷ 10 =
  40. 40.65.1 ÷ 1000 =

Answer key

  1. 0.629
  2. 0.0876
  3. 3.472
  4. 0.4302
  5. 25560
  6. 0.3511
  7. 0.0931
  8. 160.7
  9. 4.659
  10. 0.2664
  11. 17820
  12. 495200
  13. 41530
  14. 0.04648
  15. 1.185
  16. 373100
  17. 2.714
  18. 26240
  19. 9710
  20. 3251
  21. 3933
  22. 0.0648
  23. 234.4
  24. 295600
  25. 0.03644
  26. 418500
  27. 0.1162
  28. 0.02905
  29. 8640
  30. 25070
  31. 2.811
  32. 0.1707
  33. 38090
  34. 603
  35. 0.384
  36. 4611
  37. 0.391
  38. 3445
  39. 0.726
  40. 0.0651

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