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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 362 · 40 questions
TalentJR

The fast method (Count the places): Forget the points and multiply the whole numbers: 2.5 × 1.4 → 25 × 14 = 350. Count the decimal places in both numbers: 1 + 1 = 2. Put the point that many places from the right: 3.50 — then drop the 0 at the end: 3.5.

NameDateTime takenScore ___ / 40
  1. 1.1.1 × 0.6 =
  2. 2.6.8 × 3.1 =
  3. 3.0.29 × 3.9 =
  4. 4.0.35 × 3.9 =
  5. 5.9.1 × 0.26 =
  6. 6.0.67 × 0.8 =
  7. 7.3.1 × 0.7 =
  8. 8.0.37 × 1.1 =
  9. 9.5.7 × 0.15 =
  10. 10.1.6 × 0.28 =
  11. 11.6.2 × 2.7 =
  12. 12.9.3 × 0.29 =
  13. 13.0.36 × 3.1 =
  14. 14.0.34 × 1.7 =
  15. 15.2.5 × 1.8 =
  16. 16.0.59 × 2.1 =
  17. 17.1.7 × 0.25 =
  18. 18.0.77 × 3.5 =
  19. 19.1.3 × 0.17 =
  20. 20.3.5 × 0.39 =
  21. 21.7.8 × 0.18 =
  22. 22.0.49 × 1.3 =
  23. 23.0.47 × 2.1 =
  24. 24.0.84 × 0.9 =
  25. 25.2.1 × 1.1 =
  26. 26.0.46 × 3.9 =
  27. 27.1.7 × 0.09 =
  28. 28.0.25 × 0.6 =
  29. 29.7.2 × 0.9 =
  30. 30.0.99 × 3.6 =
  31. 31.0.03 × 2.6 =
  32. 32.4.6 × 0.28 =
  33. 33.9.5 × 3.9 =
  34. 34.0.29 × 0.7 =
  35. 35.0.54 × 2.3 =
  36. 36.0.07 × 2.1 =
  37. 37.0.5 × 0.4 =
  38. 38.4.1 × 0.25 =
  39. 39.4.7 × 0.06 =
  40. 40.0.69 × 0.8 =

Answer key

  1. 0.66
  2. 21.08
  3. 1.131
  4. 1.365
  5. 2.366
  6. 0.536
  7. 2.17
  8. 0.407
  9. 0.855
  10. 0.448
  11. 16.74
  12. 2.697
  13. 1.116
  14. 0.578
  15. 4.5
  16. 1.239
  17. 0.425
  18. 2.695
  19. 0.221
  20. 1.365
  21. 1.404
  22. 0.637
  23. 0.987
  24. 0.756
  25. 2.31
  26. 1.794
  27. 0.153
  28. 0.15
  29. 6.48
  30. 3.564
  31. 0.078
  32. 1.288
  33. 37.05
  34. 0.203
  35. 1.242
  36. 0.147
  37. 0.2
  38. 1.025
  39. 0.282
  40. 0.552

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