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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 139 · 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. 1.19.72 ÷ 100 =
  2. 2.24.67 × 1000 =
  3. 3.11.61 × 1000 =
  4. 4.47.1 ÷ 1000 =
  5. 5.5.27 ÷ 1000 =
  6. 6.160.3 ÷ 100 =
  7. 7.76.6 ÷ 10 =
  8. 8.188.1 × 1000 =
  9. 9.272.7 ÷ 10 =
  10. 10.8.24 ÷ 10 =
  11. 11.252.6 ÷ 1000 =
  12. 12.91.1 × 1000 =
  13. 13.258.4 × 1000 =
  14. 14.223.9 ÷ 10 =
  15. 15.2.91 × 10 =
  16. 16.266.6 × 100 =
  17. 17.387.9 ÷ 1000 =
  18. 18.109.6 × 100 =
  19. 19.365.5 × 100 =
  20. 20.23.67 × 1000 =
  21. 21.315.1 ÷ 10 =
  22. 22.8.43 × 1000 =
  23. 23.422.2 × 100 =
  24. 24.3.1 ÷ 10 =
  25. 25.7.53 ÷ 100 =
  26. 26.91.5 × 100 =
  27. 27.10.2 × 1000 =
  28. 28.42.15 ÷ 1000 =
  29. 29.102.2 × 1000 =
  30. 30.31.01 × 10 =
  31. 31.93.5 ÷ 10 =
  32. 32.256.3 ÷ 1000 =
  33. 33.30.14 × 1000 =
  34. 34.38.68 × 10 =
  35. 35.12.41 × 1000 =
  36. 36.7.76 × 10 =
  37. 37.19.9 ÷ 1000 =
  38. 38.33.45 × 100 =
  39. 39.157.3 ÷ 10 =
  40. 40.277.8 ÷ 10 =

Answer key

  1. 0.1972
  2. 24670
  3. 11610
  4. 0.0471
  5. 0.00527
  6. 1.603
  7. 7.66
  8. 188100
  9. 27.27
  10. 0.824
  11. 0.2526
  12. 91100
  13. 258400
  14. 22.39
  15. 29.1
  16. 26660
  17. 0.3879
  18. 10960
  19. 36550
  20. 23670
  21. 31.51
  22. 8430
  23. 42220
  24. 0.31
  25. 0.0753
  26. 9150
  27. 10200
  28. 0.04215
  29. 102200
  30. 310.1
  31. 9.35
  32. 0.2563
  33. 30140
  34. 386.8
  35. 12410
  36. 77.6
  37. 0.0199
  38. 3345
  39. 15.73
  40. 27.78

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