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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 202 · 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. 1.276.1 × 100 =
  2. 2.38.88 × 100 =
  3. 3.364.8 ÷ 100 =
  4. 4.428.7 × 100 =
  5. 5.26.81 × 1000 =
  6. 6.305.3 × 10 =
  7. 7.210.4 × 10 =
  8. 8.30.33 × 100 =
  9. 9.9.68 × 1000 =
  10. 10.20.91 ÷ 1000 =
  11. 11.14.6 × 100 =
  12. 12.41.27 ÷ 10 =
  13. 13.12.45 ÷ 1000 =
  14. 14.20.87 ÷ 100 =
  15. 15.36.92 × 1000 =
  16. 16.43.74 ÷ 10 =
  17. 17.42.9 × 100 =
  18. 18.399.1 ÷ 10 =
  19. 19.427.5 × 100 =
  20. 20.301.7 ÷ 10 =
  21. 21.138.1 × 100 =
  22. 22.34.07 ÷ 10 =
  23. 23.6.46 × 10 =
  24. 24.41.06 × 1000 =
  25. 25.289.6 ÷ 1000 =
  26. 26.351.9 ÷ 10 =
  27. 27.11.09 ÷ 100 =
  28. 28.36.91 × 10 =
  29. 29.133.3 × 100 =
  30. 30.28.95 ÷ 1000 =
  31. 31.186.1 ÷ 100 =
  32. 32.31.92 ÷ 10 =
  33. 33.221.1 × 1000 =
  34. 34.72.9 ÷ 1000 =
  35. 35.399.3 ÷ 100 =
  36. 36.411.1 ÷ 1000 =
  37. 37.36.3 ÷ 100 =
  38. 38.102.8 ÷ 100 =
  39. 39.469.6 × 10 =
  40. 40.9.81 ÷ 100 =

Answer key

  1. 27610
  2. 3888
  3. 3.648
  4. 42870
  5. 26810
  6. 3053
  7. 2104
  8. 3033
  9. 9680
  10. 0.02091
  11. 1460
  12. 4.127
  13. 0.01245
  14. 0.2087
  15. 36920
  16. 4.374
  17. 4290
  18. 39.91
  19. 42750
  20. 30.17
  21. 13810
  22. 3.407
  23. 64.6
  24. 41060
  25. 0.2896
  26. 35.19
  27. 0.1109
  28. 369.1
  29. 13330
  30. 0.02895
  31. 1.861
  32. 3.192
  33. 221100
  34. 0.0729
  35. 3.993
  36. 0.4111
  37. 0.363
  38. 1.028
  39. 4696
  40. 0.0981

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