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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 15 · 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. 1.33.73 × 10 =
  2. 2.290.8 ÷ 1000 =
  3. 3.18.41 × 1000 =
  4. 4.11.26 × 1000 =
  5. 5.48.01 × 10 =
  6. 6.49.63 × 10 =
  7. 7.11.01 × 10 =
  8. 8.48.02 × 100 =
  9. 9.257.8 ÷ 100 =
  10. 10.6.01 ÷ 10 =
  11. 11.32.98 ÷ 10 =
  12. 12.37.16 ÷ 100 =
  13. 13.189.1 ÷ 10 =
  14. 14.15.46 ÷ 100 =
  15. 15.251.3 ÷ 1000 =
  16. 16.36.06 × 10 =
  17. 17.43.5 × 10 =
  18. 18.406.4 ÷ 1000 =
  19. 19.49.01 × 100 =
  20. 20.141.6 × 100 =
  21. 21.13.51 ÷ 1000 =
  22. 22.48.22 ÷ 1000 =
  23. 23.14.56 × 1000 =
  24. 24.43.71 ÷ 1000 =
  25. 25.295.5 × 1000 =
  26. 26.207.5 × 10 =
  27. 27.310.1 × 1000 =
  28. 28.13.57 ÷ 1000 =
  29. 29.92.7 × 10 =
  30. 30.7.61 × 100 =
  31. 31.132.4 ÷ 1000 =
  32. 32.65.1 × 10 =
  33. 33.103.2 × 10 =
  34. 34.347.7 × 10 =
  35. 35.36.88 × 1000 =
  36. 36.345.8 × 100 =
  37. 37.46.63 ÷ 1000 =
  38. 38.13.07 ÷ 10 =
  39. 39.254.2 × 1000 =
  40. 40.135.8 ÷ 10 =

Answer key

  1. 337.3
  2. 0.2908
  3. 18410
  4. 11260
  5. 480.1
  6. 496.3
  7. 110.1
  8. 4802
  9. 2.578
  10. 0.601
  11. 3.298
  12. 0.3716
  13. 18.91
  14. 0.1546
  15. 0.2513
  16. 360.6
  17. 435
  18. 0.4064
  19. 4901
  20. 14160
  21. 0.01351
  22. 0.04822
  23. 14560
  24. 0.04371
  25. 295500
  26. 2075
  27. 310100
  28. 0.01357
  29. 927
  30. 761
  31. 0.1324
  32. 651
  33. 1032
  34. 3477
  35. 36880
  36. 34580
  37. 0.04663
  38. 1.307
  39. 254200
  40. 13.58

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