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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 563 · 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. 1.63.6 ÷ 10 =
  2. 2.38.22 × 100 =
  3. 3.32.31 × 100 =
  4. 4.90.6 × 100 =
  5. 5.8.68 ÷ 1000 =
  6. 6.294.1 × 1000 =
  7. 7.43.14 ÷ 100 =
  8. 8.12.52 ÷ 1000 =
  9. 9.331.1 × 10 =
  10. 10.44.17 × 10 =
  11. 11.294.6 × 10 =
  12. 12.189.6 × 100 =
  13. 13.490.1 × 100 =
  14. 14.41.63 × 100 =
  15. 15.10.72 ÷ 100 =
  16. 16.10.37 × 100 =
  17. 17.118.7 × 10 =
  18. 18.318.3 × 1000 =
  19. 19.9.61 ÷ 1000 =
  20. 20.366.4 × 1000 =
  21. 21.184.7 × 1000 =
  22. 22.254.1 ÷ 10 =
  23. 23.23.15 × 10 =
  24. 24.311.9 ÷ 1000 =
  25. 25.9.82 ÷ 1000 =
  26. 26.48.51 ÷ 100 =
  27. 27.12.36 × 10 =
  28. 28.27.86 × 1000 =
  29. 29.388.9 × 1000 =
  30. 30.70.4 × 10 =
  31. 31.29.63 ÷ 10 =
  32. 32.102.7 ÷ 1000 =
  33. 33.33.88 × 100 =
  34. 34.30.3 ÷ 1000 =
  35. 35.42.04 ÷ 10 =
  36. 36.146.8 × 100 =
  37. 37.332.1 × 10 =
  38. 38.15.01 ÷ 10 =
  39. 39.26.44 × 10 =
  40. 40.481.5 × 1000 =

Answer key

  1. 6.36
  2. 3822
  3. 3231
  4. 9060
  5. 0.00868
  6. 294100
  7. 0.4314
  8. 0.01252
  9. 3311
  10. 441.7
  11. 2946
  12. 18960
  13. 49010
  14. 4163
  15. 0.1072
  16. 1037
  17. 1187
  18. 318300
  19. 0.00961
  20. 366400
  21. 184700
  22. 25.41
  23. 231.5
  24. 0.3119
  25. 0.00982
  26. 0.4851
  27. 123.6
  28. 27860
  29. 388900
  30. 704
  31. 2.963
  32. 0.1027
  33. 3388
  34. 0.0303
  35. 4.204
  36. 14680
  37. 3321
  38. 1.501
  39. 264.4
  40. 481500

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