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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 423 · 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. 1.0.74 × 0.7 =
  2. 2.0.51 × 3.2 =
  3. 3.0.74 × 3.2 =
  4. 4.0.2 × 3.7 =
  5. 5.0.11 × 0.8 =
  6. 6.0.44 × 2.6 =
  7. 7.5.7 × 0.4 =
  8. 8.9.5 × 0.37 =
  9. 9.0.07 × 2.3 =
  10. 10.0.71 × 1.9 =
  11. 11.0.92 × 1.1 =
  12. 12.0.63 × 1.5 =
  13. 13.2.3 × 2.5 =
  14. 14.7.3 × 0.14 =
  15. 15.0.42 × 2.6 =
  16. 16.2.9 × 0.32 =
  17. 17.0.91 × 3.1 =
  18. 18.0.23 × 0.5 =
  19. 19.0.08 × 0.9 =
  20. 20.0.17 × 1.5 =
  21. 21.3.1 × 0.13 =
  22. 22.0.47 × 3.3 =
  23. 23.0.06 × 3.6 =
  24. 24.0.56 × 1.1 =
  25. 25.1.1 × 0.24 =
  26. 26.7.5 × 0.06 =
  27. 27.0.61 × 1.4 =
  28. 28.4.9 × 2.1 =
  29. 29.0.77 × 2.1 =
  30. 30.0.26 × 1.2 =
  31. 31.0.96 × 3.9 =
  32. 32.0.85 × 1.6 =
  33. 33.9.3 × 0.39 =
  34. 34.4.5 × 0.03 =
  35. 35.8.8 × 1.4 =
  36. 36.0.84 × 3.8 =
  37. 37.0.89 × 2.8 =
  38. 38.0.64 × 3.5 =
  39. 39.3.3 × 0.17 =
  40. 40.4.4 × 3.3 =

Answer key

  1. 0.518
  2. 1.632
  3. 2.368
  4. 0.74
  5. 0.088
  6. 1.144
  7. 2.28
  8. 3.515
  9. 0.161
  10. 1.349
  11. 1.012
  12. 0.945
  13. 5.75
  14. 1.022
  15. 1.092
  16. 0.928
  17. 2.821
  18. 0.115
  19. 0.072
  20. 0.255
  21. 0.403
  22. 1.551
  23. 0.216
  24. 0.616
  25. 0.264
  26. 0.45
  27. 0.854
  28. 10.29
  29. 1.617
  30. 0.312
  31. 3.744
  32. 1.36
  33. 3.627
  34. 0.135
  35. 12.32
  36. 3.192
  37. 2.492
  38. 2.24
  39. 0.561
  40. 14.52

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