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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 584 · 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. 1.2.6 × 0.7 =
  2. 2.0.45 × 0.8 =
  3. 3.0.65 × 0.4 =
  4. 4.0.14 × 1.9 =
  5. 5.0.27 × 0.8 =
  6. 6.0.08 × 1.1 =
  7. 7.9.3 × 0.11 =
  8. 8.3.2 × 1.2 =
  9. 9.4.4 × 0.25 =
  10. 10.0.27 × 3.4 =
  11. 11.5.6 × 1.5 =
  12. 12.2.1 × 3.5 =
  13. 13.1.1 × 1.7 =
  14. 14.0.71 × 1.4 =
  15. 15.7.3 × 0.24 =
  16. 16.9.1 × 0.31 =
  17. 17.0.29 × 2.9 =
  18. 18.0.17 × 3.9 =
  19. 19.8.7 × 0.22 =
  20. 20.8.5 × 2.7 =
  21. 21.9.2 × 0.06 =
  22. 22.0.15 × 2.4 =
  23. 23.4.8 × 0.11 =
  24. 24.4.1 × 0.6 =
  25. 25.0.78 × 0.8 =
  26. 26.0.35 × 1.9 =
  27. 27.4.4 × 0.8 =
  28. 28.3.1 × 0.6 =
  29. 29.0.53 × 1.3 =
  30. 30.7.4 × 0.5 =
  31. 31.0.87 × 3.9 =
  32. 32.0.75 × 1.8 =
  33. 33.5.2 × 2.1 =
  34. 34.0.61 × 2.3 =
  35. 35.3.8 × 0.23 =
  36. 36.0.73 × 1.7 =
  37. 37.0.9 × 3.2 =
  38. 38.1.4 × 0.34 =
  39. 39.0.7 × 2.1 =
  40. 40.4.4 × 3.1 =

Answer key

  1. 1.82
  2. 0.36
  3. 0.26
  4. 0.266
  5. 0.216
  6. 0.088
  7. 1.023
  8. 3.84
  9. 1.1
  10. 0.918
  11. 8.4
  12. 7.35
  13. 1.87
  14. 0.994
  15. 1.752
  16. 2.821
  17. 0.841
  18. 0.663
  19. 1.914
  20. 22.95
  21. 0.552
  22. 0.36
  23. 0.528
  24. 2.46
  25. 0.624
  26. 0.665
  27. 3.52
  28. 1.86
  29. 0.689
  30. 3.7
  31. 3.393
  32. 1.35
  33. 10.92
  34. 1.403
  35. 0.874
  36. 1.241
  37. 2.88
  38. 0.476
  39. 1.47
  40. 13.64

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