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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 678 · 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. 1.430.3 ÷ 1000 =
  2. 2.319.6 ÷ 1000 =
  3. 3.0.14 × 10 =
  4. 4.339.8 ÷ 1000 =
  5. 5.342.1 ÷ 10 =
  6. 6.32.23 × 1000 =
  7. 7.386.6 × 100 =
  8. 8.211.2 × 10 =
  9. 9.355.8 × 10 =
  10. 10.270.3 × 10 =
  11. 11.256.1 × 10 =
  12. 12.19.64 × 10 =
  13. 13.37.92 ÷ 100 =
  14. 14.385.7 × 100 =
  15. 15.4.09 × 100 =
  16. 16.25.92 ÷ 100 =
  17. 17.340.1 × 100 =
  18. 18.364.9 ÷ 100 =
  19. 19.10.81 ÷ 1000 =
  20. 20.207.3 × 10 =
  21. 21.36.58 × 1000 =
  22. 22.61.1 ÷ 100 =
  23. 23.37.2 ÷ 1000 =
  24. 24.76.2 ÷ 100 =
  25. 25.12.89 × 10 =
  26. 26.23.76 × 10 =
  27. 27.42.09 × 100 =
  28. 28.22.24 × 100 =
  29. 29.216.1 × 10 =
  30. 30.46.13 × 10 =
  31. 31.293.1 × 100 =
  32. 32.35.2 × 1000 =
  33. 33.7.13 × 10 =
  34. 34.47.48 ÷ 1000 =
  35. 35.61.8 × 100 =
  36. 36.23.91 × 10 =
  37. 37.460.3 × 10 =
  38. 38.20.4 × 1000 =
  39. 39.393.1 × 100 =
  40. 40.213.8 × 100 =

Answer key

  1. 0.4303
  2. 0.3196
  3. 1.4
  4. 0.3398
  5. 34.21
  6. 32230
  7. 38660
  8. 2112
  9. 3558
  10. 2703
  11. 2561
  12. 196.4
  13. 0.3792
  14. 38570
  15. 409
  16. 0.2592
  17. 34010
  18. 3.649
  19. 0.01081
  20. 2073
  21. 36580
  22. 0.611
  23. 0.0372
  24. 0.762
  25. 128.9
  26. 237.6
  27. 4209
  28. 2224
  29. 2161
  30. 461.3
  31. 29310
  32. 35200
  33. 71.3
  34. 0.04748
  35. 6180
  36. 239.1
  37. 4603
  38. 20400
  39. 39310
  40. 21380

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