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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 843 · 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. 1.8.9 × 0.17 =
  2. 2.2.8 × 0.06 =
  3. 3.0.11 × 2.2 =
  4. 4.2.7 × 2.5 =
  5. 5.6.3 × 2.3 =
  6. 6.0.54 × 3.2 =
  7. 7.0.21 × 3.8 =
  8. 8.0.6 × 2.7 =
  9. 9.0.81 × 2.3 =
  10. 10.6.9 × 2.9 =
  11. 11.6.6 × 0.26 =
  12. 12.1.2 × 2.3 =
  13. 13.0.68 × 1.1 =
  14. 14.6.3 × 0.22 =
  15. 15.3.3 × 0.23 =
  16. 16.4.3 × 3.5 =
  17. 17.8.7 × 0.27 =
  18. 18.0.27 × 0.6 =
  19. 19.6.1 × 3.6 =
  20. 20.0.87 × 1.8 =
  21. 21.9.7 × 0.3 =
  22. 22.0.68 × 1.1 =
  23. 23.7.4 × 0.6 =
  24. 24.0.29 × 2.9 =
  25. 25.0.67 × 3.1 =
  26. 26.4.6 × 3.3 =
  27. 27.0.91 × 3.2 =
  28. 28.0.2 × 3.5 =
  29. 29.9.1 × 0.33 =
  30. 30.0.97 × 3.5 =
  31. 31.5.6 × 3.7 =
  32. 32.0.11 × 0.4 =
  33. 33.4.8 × 0.28 =
  34. 34.7.1 × 0.14 =
  35. 35.8.3 × 0.6 =
  36. 36.8.8 × 3.3 =
  37. 37.1.1 × 0.21 =
  38. 38.8.3 × 0.21 =
  39. 39.0.9 × 0.8 =
  40. 40.0.3 × 0.22 =

Answer key

  1. 1.513
  2. 0.168
  3. 0.242
  4. 6.75
  5. 14.49
  6. 1.728
  7. 0.798
  8. 1.62
  9. 1.863
  10. 20.01
  11. 1.716
  12. 2.76
  13. 0.748
  14. 1.386
  15. 0.759
  16. 15.05
  17. 2.349
  18. 0.162
  19. 21.96
  20. 1.566
  21. 2.91
  22. 0.748
  23. 4.44
  24. 0.841
  25. 2.077
  26. 15.18
  27. 2.912
  28. 0.7
  29. 3.003
  30. 3.395
  31. 20.72
  32. 0.044
  33. 1.344
  34. 0.994
  35. 4.98
  36. 29.04
  37. 0.231
  38. 1.743
  39. 0.72
  40. 0.066

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