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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 864 · 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. 1.27.62 ÷ 1000 =
  2. 2.354.3 ÷ 100 =
  3. 3.0.27 × 10 =
  4. 4.35.3 ÷ 1000 =
  5. 5.31.36 × 1000 =
  6. 6.296.3 × 100 =
  7. 7.207.1 × 100 =
  8. 8.14.21 × 10 =
  9. 9.5.18 × 1000 =
  10. 10.30.54 × 1000 =
  11. 11.9.56 ÷ 100 =
  12. 12.86.9 × 1000 =
  13. 13.8.12 × 1000 =
  14. 14.126.4 ÷ 10 =
  15. 15.33.59 × 100 =
  16. 16.24.43 × 100 =
  17. 17.39.36 ÷ 100 =
  18. 18.0.64 ÷ 100 =
  19. 19.26.23 × 10 =
  20. 20.32.48 × 10 =
  21. 21.223.4 ÷ 1000 =
  22. 22.4.79 ÷ 100 =
  23. 23.16.7 × 100 =
  24. 24.357.1 × 10 =
  25. 25.12.58 × 100 =
  26. 26.272.1 × 1000 =
  27. 27.117.8 × 10 =
  28. 28.487.7 × 10 =
  29. 29.273.4 × 100 =
  30. 30.1.14 × 100 =
  31. 31.33.13 ÷ 1000 =
  32. 32.51.4 × 100 =
  33. 33.4.3 ÷ 10 =
  34. 34.15.1 ÷ 100 =
  35. 35.126.3 × 10 =
  36. 36.153.3 × 10 =
  37. 37.34.51 × 100 =
  38. 38.184.3 × 1000 =
  39. 39.9.58 × 1000 =
  40. 40.158.6 ÷ 100 =

Answer key

  1. 0.02762
  2. 3.543
  3. 2.7
  4. 0.0353
  5. 31360
  6. 29630
  7. 20710
  8. 142.1
  9. 5180
  10. 30540
  11. 0.0956
  12. 86900
  13. 8120
  14. 12.64
  15. 3359
  16. 2443
  17. 0.3936
  18. 0.0064
  19. 262.3
  20. 324.8
  21. 0.2234
  22. 0.0479
  23. 1670
  24. 3571
  25. 1258
  26. 272100
  27. 1178
  28. 4877
  29. 27340
  30. 114
  31. 0.03313
  32. 5140
  33. 0.43
  34. 0.151
  35. 1263
  36. 1533
  37. 3451
  38. 184300
  39. 9580
  40. 1.586

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