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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 710 · 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. 1.0.22 × 2.4 =
  2. 2.0.56 × 1.5 =
  3. 3.6.7 × 3.1 =
  4. 4.4.1 × 0.29 =
  5. 5.1.7 × 1.8 =
  6. 6.7.3 × 0.6 =
  7. 7.0.11 × 3.1 =
  8. 8.5.8 × 0.11 =
  9. 9.0.54 × 3.8 =
  10. 10.0.8 × 0.8 =
  11. 11.0.08 × 0.8 =
  12. 12.1.3 × 3.8 =
  13. 13.0.87 × 0.9 =
  14. 14.0.52 × 1.6 =
  15. 15.9.5 × 0.31 =
  16. 16.0.59 × 1.9 =
  17. 17.8.1 × 0.07 =
  18. 18.0.5 × 0.39 =
  19. 19.0.93 × 1.9 =
  20. 20.3.6 × 0.4 =
  21. 21.3.1 × 2.1 =
  22. 22.4.9 × 2.8 =
  23. 23.4.9 × 1.3 =
  24. 24.4.8 × 0.39 =
  25. 25.4.1 × 3.4 =
  26. 26.3.2 × 2.2 =
  27. 27.0.12 × 1.4 =
  28. 28.1.9 × 0.21 =
  29. 29.0.56 × 2.5 =
  30. 30.0.04 × 1.5 =
  31. 31.0.29 × 3.5 =
  32. 32.0.99 × 2.2 =
  33. 33.0.91 × 1.3 =
  34. 34.0.49 × 1.8 =
  35. 35.1.7 × 0.26 =
  36. 36.4.3 × 3.8 =
  37. 37.6.2 × 2.1 =
  38. 38.2.2 × 1.1 =
  39. 39.9.6 × 2.2 =
  40. 40.4.4 × 0.19 =

Answer key

  1. 0.528
  2. 0.84
  3. 20.77
  4. 1.189
  5. 3.06
  6. 4.38
  7. 0.341
  8. 0.638
  9. 2.052
  10. 0.64
  11. 0.064
  12. 4.94
  13. 0.783
  14. 0.832
  15. 2.945
  16. 1.121
  17. 0.567
  18. 0.195
  19. 1.767
  20. 1.44
  21. 6.51
  22. 13.72
  23. 6.37
  24. 1.872
  25. 13.94
  26. 7.04
  27. 0.168
  28. 0.399
  29. 1.4
  30. 0.06
  31. 1.015
  32. 2.178
  33. 1.183
  34. 0.882
  35. 0.442
  36. 16.34
  37. 13.02
  38. 2.42
  39. 21.12
  40. 0.836

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