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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 61 · 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. 1.7.7 × 0.3 =
  2. 2.0.53 × 0.9 =
  3. 3.3.3 × 3.6 =
  4. 4.0.58 × 3.4 =
  5. 5.9.9 × 2.7 =
  6. 6.4.1 × 0.22 =
  7. 7.0.48 × 2.3 =
  8. 8.0.71 × 0.9 =
  9. 9.0.68 × 0.5 =
  10. 10.0.66 × 3.6 =
  11. 11.8.2 × 0.14 =
  12. 12.0.81 × 0.9 =
  13. 13.0.95 × 1.4 =
  14. 14.0.28 × 1.9 =
  15. 15.0.61 × 2.4 =
  16. 16.5.5 × 0.23 =
  17. 17.0.49 × 0.6 =
  18. 18.0.38 × 0.3 =
  19. 19.8.3 × 0.21 =
  20. 20.0.28 × 0.2 =
  21. 21.0.57 × 0.7 =
  22. 22.4.5 × 1.4 =
  23. 23.2.1 × 3.4 =
  24. 24.0.7 × 3.4 =
  25. 25.0.81 × 0.6 =
  26. 26.0.75 × 3.4 =
  27. 27.0.86 × 2.9 =
  28. 28.2.1 × 0.7 =
  29. 29.0.66 × 0.8 =
  30. 30.0.33 × 2.9 =
  31. 31.0.66 × 0.6 =
  32. 32.8.1 × 2.4 =
  33. 33.0.47 × 2.6 =
  34. 34.0.57 × 1.8 =
  35. 35.3.8 × 0.2 =
  36. 36.5.8 × 0.39 =
  37. 37.6.8 × 1.4 =
  38. 38.6.1 × 0.19 =
  39. 39.4.2 × 0.33 =
  40. 40.0.12 × 3.5 =

Answer key

  1. 2.31
  2. 0.477
  3. 11.88
  4. 1.972
  5. 26.73
  6. 0.902
  7. 1.104
  8. 0.639
  9. 0.34
  10. 2.376
  11. 1.148
  12. 0.729
  13. 1.33
  14. 0.532
  15. 1.464
  16. 1.265
  17. 0.294
  18. 0.114
  19. 1.743
  20. 0.056
  21. 0.399
  22. 6.3
  23. 7.14
  24. 2.38
  25. 0.486
  26. 2.55
  27. 2.494
  28. 1.47
  29. 0.528
  30. 0.957
  31. 0.396
  32. 19.44
  33. 1.222
  34. 1.026
  35. 0.76
  36. 2.262
  37. 9.52
  38. 1.159
  39. 1.386
  40. 0.42

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