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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 452 · 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. 1.45.68 ÷ 10 =
  2. 2.167.6 ÷ 10 =
  3. 3.298.1 × 10 =
  4. 4.265.8 × 100 =
  5. 5.13.4 × 10 =
  6. 6.459.7 × 10 =
  7. 7.46.57 × 10 =
  8. 8.347.2 × 1000 =
  9. 9.10.77 ÷ 100 =
  10. 10.303.1 × 10 =
  11. 11.428.3 ÷ 10 =
  12. 12.33.98 × 100 =
  13. 13.9.08 × 100 =
  14. 14.14.75 ÷ 100 =
  15. 15.8.16 ÷ 10 =
  16. 16.11.5 × 10 =
  17. 17.197.5 × 1000 =
  18. 18.402.1 ÷ 10 =
  19. 19.171.3 × 1000 =
  20. 20.12.75 × 10 =
  21. 21.36.8 ÷ 10 =
  22. 22.41.72 × 1000 =
  23. 23.376.2 ÷ 10 =
  24. 24.186.7 × 10 =
  25. 25.354.6 × 1000 =
  26. 26.399.3 ÷ 1000 =
  27. 27.63.1 × 10 =
  28. 28.259.7 ÷ 10 =
  29. 29.18.9 ÷ 100 =
  30. 30.8.2 ÷ 100 =
  31. 31.164.7 × 1000 =
  32. 32.49.72 × 100 =
  33. 33.443.4 ÷ 10 =
  34. 34.75.4 × 1000 =
  35. 35.41.48 × 10 =
  36. 36.30.27 × 100 =
  37. 37.4.43 × 100 =
  38. 38.40.1 × 100 =
  39. 39.105.3 ÷ 10 =
  40. 40.48.1 ÷ 100 =

Answer key

  1. 4.568
  2. 16.76
  3. 2981
  4. 26580
  5. 134
  6. 4597
  7. 465.7
  8. 347200
  9. 0.1077
  10. 3031
  11. 42.83
  12. 3398
  13. 908
  14. 0.1475
  15. 0.816
  16. 115
  17. 197500
  18. 40.21
  19. 171300
  20. 127.5
  21. 3.68
  22. 41720
  23. 37.62
  24. 1867
  25. 354600
  26. 0.3993
  27. 631
  28. 25.97
  29. 0.189
  30. 0.082
  31. 164700
  32. 4972
  33. 44.34
  34. 75400
  35. 414.8
  36. 3027
  37. 443
  38. 4010
  39. 10.53
  40. 0.481

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