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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 606 · 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. 1.0.44 × 1.2 =
  2. 2.0.17 × 2.1 =
  3. 3.0.58 × 3.8 =
  4. 4.5.2 × 3.6 =
  5. 5.0.4 × 0.35 =
  6. 6.6.3 × 0.7 =
  7. 7.1.1 × 0.32 =
  8. 8.1.7 × 0.19 =
  9. 9.8.1 × 0.07 =
  10. 10.0.91 × 2.1 =
  11. 11.0.38 × 0.7 =
  12. 12.3.6 × 2.9 =
  13. 13.0.59 × 3.7 =
  14. 14.0.54 × 1.5 =
  15. 15.0.8 × 0.37 =
  16. 16.1.8 × 2.1 =
  17. 17.0.29 × 0.8 =
  18. 18.2.4 × 0.12 =
  19. 19.0.7 × 0.05 =
  20. 20.4.8 × 0.32 =
  21. 21.0.24 × 2.3 =
  22. 22.5.2 × 3.5 =
  23. 23.9.1 × 3.7 =
  24. 24.0.32 × 2.5 =
  25. 25.0.25 × 3.7 =
  26. 26.2.4 × 2.6 =
  27. 27.3.8 × 0.9 =
  28. 28.2.9 × 0.09 =
  29. 29.7.6 × 0.15 =
  30. 30.2.9 × 2.1 =
  31. 31.7.9 × 0.32 =
  32. 32.7.1 × 0.13 =
  33. 33.0.77 × 0.2 =
  34. 34.1.1 × 0.24 =
  35. 35.0.94 × 3.4 =
  36. 36.9.3 × 0.19 =
  37. 37.0.7 × 0.03 =
  38. 38.2.9 × 0.26 =
  39. 39.2.7 × 2.2 =
  40. 40.4.8 × 0.08 =

Answer key

  1. 0.528
  2. 0.357
  3. 2.204
  4. 18.72
  5. 0.14
  6. 4.41
  7. 0.352
  8. 0.323
  9. 0.567
  10. 1.911
  11. 0.266
  12. 10.44
  13. 2.183
  14. 0.81
  15. 0.296
  16. 3.78
  17. 0.232
  18. 0.288
  19. 0.035
  20. 1.536
  21. 0.552
  22. 18.2
  23. 33.67
  24. 0.8
  25. 0.925
  26. 6.24
  27. 3.42
  28. 0.261
  29. 1.14
  30. 6.09
  31. 2.528
  32. 0.923
  33. 0.154
  34. 0.264
  35. 3.196
  36. 1.767
  37. 0.021
  38. 0.754
  39. 5.94
  40. 0.384

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