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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 472 · 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. 1.6.1 × 0.18 =
  2. 2.0.18 × 3.5 =
  3. 3.0.14 × 3.4 =
  4. 4.0.14 × 2.7 =
  5. 5.7.6 × 2.4 =
  6. 6.0.43 × 0.4 =
  7. 7.0.09 × 0.2 =
  8. 8.4.7 × 1.7 =
  9. 9.2.2 × 2.7 =
  10. 10.6.1 × 2.3 =
  11. 11.9.5 × 2.9 =
  12. 12.0.31 × 0.7 =
  13. 13.5.5 × 0.22 =
  14. 14.0.79 × 3.5 =
  15. 15.0.67 × 0.8 =
  16. 16.0.4 × 0.23 =
  17. 17.0.7 × 0.9 =
  18. 18.0.22 × 3.4 =
  19. 19.8.5 × 0.13 =
  20. 20.0.7 × 3.5 =
  21. 21.0.62 × 2.4 =
  22. 22.0.31 × 3.2 =
  23. 23.0.66 × 0.7 =
  24. 24.0.11 × 2.7 =
  25. 25.0.51 × 2.8 =
  26. 26.0.72 × 3.7 =
  27. 27.0.86 × 0.7 =
  28. 28.2.1 × 0.14 =
  29. 29.0.63 × 2.7 =
  30. 30.0.79 × 2.8 =
  31. 31.1.9 × 0.03 =
  32. 32.4.3 × 1.3 =
  33. 33.8.1 × 0.04 =
  34. 34.0.7 × 0.37 =
  35. 35.5.5 × 3.4 =
  36. 36.0.97 × 1.6 =
  37. 37.0.73 × 0.9 =
  38. 38.0.04 × 2.7 =
  39. 39.0.49 × 0.2 =
  40. 40.5.8 × 0.37 =

Answer key

  1. 1.098
  2. 0.63
  3. 0.476
  4. 0.378
  5. 18.24
  6. 0.172
  7. 0.018
  8. 7.99
  9. 5.94
  10. 14.03
  11. 27.55
  12. 0.217
  13. 1.21
  14. 2.765
  15. 0.536
  16. 0.092
  17. 0.63
  18. 0.748
  19. 1.105
  20. 2.45
  21. 1.488
  22. 0.992
  23. 0.462
  24. 0.297
  25. 1.428
  26. 2.664
  27. 0.602
  28. 0.294
  29. 1.701
  30. 2.212
  31. 0.057
  32. 5.59
  33. 0.324
  34. 0.259
  35. 18.7
  36. 1.552
  37. 0.657
  38. 0.108
  39. 0.098
  40. 2.146

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