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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 273 · 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. 1.0.56 × 0.5 =
  2. 2.8.6 × 0.07 =
  3. 3.1.7 × 0.24 =
  4. 4.0.16 × 0.6 =
  5. 5.1.1 × 3.4 =
  6. 6.0.23 × 3.8 =
  7. 7.8.6 × 0.7 =
  8. 8.4.2 × 0.34 =
  9. 9.1.6 × 0.18 =
  10. 10.2.2 × 0.09 =
  11. 11.0.74 × 3.4 =
  12. 12.5.7 × 0.14 =
  13. 13.0.38 × 0.8 =
  14. 14.4.5 × 0.11 =
  15. 15.5.6 × 0.03 =
  16. 16.0.71 × 1.9 =
  17. 17.6.9 × 3.8 =
  18. 18.0.52 × 0.8 =
  19. 19.6.9 × 0.08 =
  20. 20.0.43 × 2.1 =
  21. 21.0.28 × 1.3 =
  22. 22.0.71 × 0.8 =
  23. 23.5.6 × 0.22 =
  24. 24.1.3 × 0.31 =
  25. 25.2.5 × 2.1 =
  26. 26.0.04 × 0.8 =
  27. 27.0.4 × 2.8 =
  28. 28.0.34 × 0.5 =
  29. 29.0.03 × 0.3 =
  30. 30.0.3 × 0.6 =
  31. 31.0.47 × 2.7 =
  32. 32.5.1 × 0.36 =
  33. 33.8.5 × 0.03 =
  34. 34.0.36 × 3.3 =
  35. 35.9.5 × 0.38 =
  36. 36.5.4 × 0.7 =
  37. 37.0.97 × 1.8 =
  38. 38.0.26 × 0.6 =
  39. 39.5.6 × 0.03 =
  40. 40.9.1 × 0.2 =

Answer key

  1. 0.28
  2. 0.602
  3. 0.408
  4. 0.096
  5. 3.74
  6. 0.874
  7. 6.02
  8. 1.428
  9. 0.288
  10. 0.198
  11. 2.516
  12. 0.798
  13. 0.304
  14. 0.495
  15. 0.168
  16. 1.349
  17. 26.22
  18. 0.416
  19. 0.552
  20. 0.903
  21. 0.364
  22. 0.568
  23. 1.232
  24. 0.403
  25. 5.25
  26. 0.032
  27. 1.12
  28. 0.17
  29. 0.009
  30. 0.18
  31. 1.269
  32. 1.836
  33. 0.255
  34. 1.188
  35. 3.61
  36. 3.78
  37. 1.746
  38. 0.156
  39. 0.168
  40. 1.82

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