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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 195 · 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. 1.0.76 × 3.8 =
  2. 2.9.4 × 0.36 =
  3. 3.0.18 × 0.9 =
  4. 4.0.39 × 0.4 =
  5. 5.9.3 × 0.06 =
  6. 6.9.8 × 0.07 =
  7. 7.0.32 × 1.5 =
  8. 8.7.3 × 0.32 =
  9. 9.0.67 × 2.2 =
  10. 10.9.3 × 0.21 =
  11. 11.0.61 × 3.7 =
  12. 12.3.7 × 0.05 =
  13. 13.0.15 × 2.8 =
  14. 14.0.23 × 2.1 =
  15. 15.8.9 × 0.21 =
  16. 16.0.98 × 2.2 =
  17. 17.6.7 × 0.32 =
  18. 18.0.9 × 1.1 =
  19. 19.0.07 × 0.5 =
  20. 20.3.5 × 0.31 =
  21. 21.4.7 × 0.22 =
  22. 22.1.3 × 3.2 =
  23. 23.4.3 × 0.26 =
  24. 24.0.41 × 0.2 =
  25. 25.8.7 × 1.9 =
  26. 26.0.97 × 3.2 =
  27. 27.7.1 × 0.34 =
  28. 28.0.23 × 1.1 =
  29. 29.6.6 × 0.35 =
  30. 30.0.99 × 2.1 =
  31. 31.0.9 × 0.4 =
  32. 32.2.5 × 2.5 =
  33. 33.3.1 × 0.02 =
  34. 34.8.1 × 0.7 =
  35. 35.0.21 × 0.2 =
  36. 36.0.44 × 2.7 =
  37. 37.0.11 × 2.5 =
  38. 38.0.83 × 1.1 =
  39. 39.0.12 × 3.1 =
  40. 40.0.77 × 1.9 =

Answer key

  1. 2.888
  2. 3.384
  3. 0.162
  4. 0.156
  5. 0.558
  6. 0.686
  7. 0.48
  8. 2.336
  9. 1.474
  10. 1.953
  11. 2.257
  12. 0.185
  13. 0.42
  14. 0.483
  15. 1.869
  16. 2.156
  17. 2.144
  18. 0.99
  19. 0.035
  20. 1.085
  21. 1.034
  22. 4.16
  23. 1.118
  24. 0.082
  25. 16.53
  26. 3.104
  27. 2.414
  28. 0.253
  29. 2.31
  30. 2.079
  31. 0.36
  32. 6.25
  33. 0.062
  34. 5.67
  35. 0.042
  36. 1.188
  37. 0.275
  38. 0.913
  39. 0.372
  40. 1.463

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