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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 567 · 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. 1.0.04 × 1.3 =
  2. 2.9.9 × 1.8 =
  3. 3.0.38 × 2.2 =
  4. 4.0.55 × 1.1 =
  5. 5.5.8 × 0.27 =
  6. 6.8.4 × 1.9 =
  7. 7.3.5 × 0.36 =
  8. 8.0.49 × 3.7 =
  9. 9.6.6 × 2.8 =
  10. 10.0.22 × 3.1 =
  11. 11.0.7 × 0.9 =
  12. 12.0.91 × 2.4 =
  13. 13.0.9 × 0.3 =
  14. 14.0.62 × 3.1 =
  15. 15.9.5 × 0.23 =
  16. 16.0.21 × 1.3 =
  17. 17.6.3 × 2.9 =
  18. 18.0.25 × 3.1 =
  19. 19.0.79 × 3.1 =
  20. 20.0.2 × 0.24 =
  21. 21.0.21 × 2.6 =
  22. 22.0.89 × 3.6 =
  23. 23.4.1 × 0.39 =
  24. 24.0.44 × 1.7 =
  25. 25.0.13 × 1.5 =
  26. 26.5.1 × 0.37 =
  27. 27.6.1 × 1.4 =
  28. 28.9.4 × 0.26 =
  29. 29.6.1 × 1.3 =
  30. 30.0.26 × 3.6 =
  31. 31.0.44 × 0.4 =
  32. 32.5.6 × 0.5 =
  33. 33.0.26 × 2.9 =
  34. 34.2.6 × 0.16 =
  35. 35.0.4 × 2.4 =
  36. 36.6.7 × 0.21 =
  37. 37.5.4 × 0.37 =
  38. 38.2.8 × 0.34 =
  39. 39.5.6 × 0.04 =
  40. 40.2.4 × 0.11 =

Answer key

  1. 0.052
  2. 17.82
  3. 0.836
  4. 0.605
  5. 1.566
  6. 15.96
  7. 1.26
  8. 1.813
  9. 18.48
  10. 0.682
  11. 0.63
  12. 2.184
  13. 0.27
  14. 1.922
  15. 2.185
  16. 0.273
  17. 18.27
  18. 0.775
  19. 2.449
  20. 0.048
  21. 0.546
  22. 3.204
  23. 1.599
  24. 0.748
  25. 0.195
  26. 1.887
  27. 8.54
  28. 2.444
  29. 7.93
  30. 0.936
  31. 0.176
  32. 2.8
  33. 0.754
  34. 0.416
  35. 0.96
  36. 1.407
  37. 1.998
  38. 0.952
  39. 0.224
  40. 0.264

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