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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 323 · 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. 1.0.44 × 2.9 =
  2. 2.7.1 × 1.1 =
  3. 3.7.8 × 2.1 =
  4. 4.6.8 × 0.22 =
  5. 5.0.11 × 1.1 =
  6. 6.0.51 × 1.7 =
  7. 7.0.33 × 0.2 =
  8. 8.0.07 × 2.4 =
  9. 9.9.3 × 0.38 =
  10. 10.8.2 × 1.5 =
  11. 11.0.45 × 0.2 =
  12. 12.0.81 × 0.3 =
  13. 13.7.5 × 3.6 =
  14. 14.0.55 × 0.6 =
  15. 15.1.2 × 1.4 =
  16. 16.0.87 × 2.2 =
  17. 17.0.9 × 0.03 =
  18. 18.1.1 × 0.23 =
  19. 19.5.8 × 0.21 =
  20. 20.9.3 × 3.8 =
  21. 21.5.1 × 0.8 =
  22. 22.2.1 × 0.35 =
  23. 23.2.9 × 0.5 =
  24. 24.0.12 × 1.1 =
  25. 25.5.2 × 3.1 =
  26. 26.0.86 × 3.7 =
  27. 27.9.6 × 0.17 =
  28. 28.0.78 × 2.4 =
  29. 29.0.95 × 2.4 =
  30. 30.7.6 × 0.19 =
  31. 31.2.2 × 0.5 =
  32. 32.0.87 × 2.9 =
  33. 33.9.6 × 0.21 =
  34. 34.0.52 × 0.6 =
  35. 35.0.17 × 0.7 =
  36. 36.0.57 × 1.8 =
  37. 37.0.82 × 2.7 =
  38. 38.7.4 × 1.9 =
  39. 39.2.3 × 0.12 =
  40. 40.0.48 × 1.5 =

Answer key

  1. 1.276
  2. 7.81
  3. 16.38
  4. 1.496
  5. 0.121
  6. 0.867
  7. 0.066
  8. 0.168
  9. 3.534
  10. 12.3
  11. 0.09
  12. 0.243
  13. 27
  14. 0.33
  15. 1.68
  16. 1.914
  17. 0.027
  18. 0.253
  19. 1.218
  20. 35.34
  21. 4.08
  22. 0.735
  23. 1.45
  24. 0.132
  25. 16.12
  26. 3.182
  27. 1.632
  28. 1.872
  29. 2.28
  30. 1.444
  31. 1.1
  32. 2.523
  33. 2.016
  34. 0.312
  35. 0.119
  36. 1.026
  37. 2.214
  38. 14.06
  39. 0.276
  40. 0.72

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