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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 693 · 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. 1.0.16 × 2.7 =
  2. 2.0.47 × 2.6 =
  3. 3.7.1 × 0.29 =
  4. 4.0.24 × 2.4 =
  5. 5.0.14 × 3.9 =
  6. 6.7.5 × 2.7 =
  7. 7.2.7 × 0.21 =
  8. 8.0.52 × 0.5 =
  9. 9.0.23 × 0.5 =
  10. 10.8.1 × 3.4 =
  11. 11.0.3 × 2.7 =
  12. 12.0.77 × 1.6 =
  13. 13.0.74 × 1.7 =
  14. 14.6.4 × 0.12 =
  15. 15.0.89 × 2.2 =
  16. 16.0.87 × 1.6 =
  17. 17.0.43 × 1.1 =
  18. 18.6.5 × 0.3 =
  19. 19.0.07 × 2.8 =
  20. 20.8.9 × 0.04 =
  21. 21.0.22 × 3.3 =
  22. 22.0.4 × 0.09 =
  23. 23.5.4 × 1.1 =
  24. 24.0.5 × 1.1 =
  25. 25.8.6 × 3.1 =
  26. 26.3.4 × 1.1 =
  27. 27.0.36 × 3.2 =
  28. 28.0.32 × 0.2 =
  29. 29.0.76 × 2.5 =
  30. 30.9.7 × 0.03 =
  31. 31.3.9 × 3.1 =
  32. 32.6.4 × 0.27 =
  33. 33.5.3 × 0.15 =
  34. 34.0.5 × 2.1 =
  35. 35.0.49 × 1.1 =
  36. 36.4.1 × 1.1 =
  37. 37.3.8 × 0.31 =
  38. 38.3.5 × 0.14 =
  39. 39.0.51 × 1.1 =
  40. 40.0.41 × 2.1 =

Answer key

  1. 0.432
  2. 1.222
  3. 2.059
  4. 0.576
  5. 0.546
  6. 20.25
  7. 0.567
  8. 0.26
  9. 0.115
  10. 27.54
  11. 0.81
  12. 1.232
  13. 1.258
  14. 0.768
  15. 1.958
  16. 1.392
  17. 0.473
  18. 1.95
  19. 0.196
  20. 0.356
  21. 0.726
  22. 0.036
  23. 5.94
  24. 0.55
  25. 26.66
  26. 3.74
  27. 1.152
  28. 0.064
  29. 1.9
  30. 0.291
  31. 12.09
  32. 1.728
  33. 0.795
  34. 1.05
  35. 0.539
  36. 4.51
  37. 1.178
  38. 0.49
  39. 0.561
  40. 0.861

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