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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 447 · 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. 1.27.37 ÷ 1000 =
  2. 2.19.03 × 10 =
  3. 3.144.8 × 10 =
  4. 4.177.4 ÷ 100 =
  5. 5.39.63 ÷ 1000 =
  6. 6.6.71 ÷ 10 =
  7. 7.8.42 × 10 =
  8. 8.109.2 × 10 =
  9. 9.297.6 ÷ 10 =
  10. 10.95.1 × 1000 =
  11. 11.489.4 × 100 =
  12. 12.41.68 × 1000 =
  13. 13.64.3 × 10 =
  14. 14.371.1 × 1000 =
  15. 15.199.4 × 10 =
  16. 16.357.9 × 10 =
  17. 17.18.66 ÷ 10 =
  18. 18.4.09 × 10 =
  19. 19.104.4 × 10 =
  20. 20.2.29 × 100 =
  21. 21.213.3 ÷ 10 =
  22. 22.263.6 ÷ 1000 =
  23. 23.273.1 × 100 =
  24. 24.67.5 × 1000 =
  25. 25.320.6 ÷ 10 =
  26. 26.33.58 ÷ 100 =
  27. 27.495.8 × 100 =
  28. 28.255.5 × 1000 =
  29. 29.251.7 ÷ 10 =
  30. 30.200.8 × 1000 =
  31. 31.45.23 × 1000 =
  32. 32.92.3 × 10 =
  33. 33.47.35 ÷ 100 =
  34. 34.220.1 × 100 =
  35. 35.437.3 × 10 =
  36. 36.293.4 × 10 =
  37. 37.27.5 × 1000 =
  38. 38.7.55 × 1000 =
  39. 39.296.8 ÷ 100 =
  40. 40.278.3 × 1000 =

Answer key

  1. 0.02737
  2. 190.3
  3. 1448
  4. 1.774
  5. 0.03963
  6. 0.671
  7. 84.2
  8. 1092
  9. 29.76
  10. 95100
  11. 48940
  12. 41680
  13. 643
  14. 371100
  15. 1994
  16. 3579
  17. 1.866
  18. 40.9
  19. 1044
  20. 229
  21. 21.33
  22. 0.2636
  23. 27310
  24. 67500
  25. 32.06
  26. 0.3358
  27. 49580
  28. 255500
  29. 25.17
  30. 200800
  31. 45230
  32. 923
  33. 0.4735
  34. 22010
  35. 4373
  36. 2934
  37. 27500
  38. 7550
  39. 2.968
  40. 278300

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