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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 364 · 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. 1.3.1 × 0.2 =
  2. 2.5.2 × 1.4 =
  3. 3.5.3 × 0.5 =
  4. 4.8.4 × 1.5 =
  5. 5.0.91 × 3.8 =
  6. 6.0.4 × 0.31 =
  7. 7.0.55 × 2.6 =
  8. 8.0.91 × 0.8 =
  9. 9.0.07 × 2.8 =
  10. 10.0.41 × 0.3 =
  11. 11.8.1 × 0.16 =
  12. 12.0.58 × 2.2 =
  13. 13.2.8 × 0.5 =
  14. 14.2.9 × 3.1 =
  15. 15.8.1 × 0.23 =
  16. 16.5.3 × 0.04 =
  17. 17.0.74 × 2.3 =
  18. 18.5.4 × 0.07 =
  19. 19.0.21 × 0.9 =
  20. 20.3.1 × 0.08 =
  21. 21.6.1 × 0.16 =
  22. 22.5.6 × 0.2 =
  23. 23.6.9 × 0.24 =
  24. 24.0.31 × 2.5 =
  25. 25.0.65 × 2.8 =
  26. 26.4.2 × 3.3 =
  27. 27.7.8 × 0.33 =
  28. 28.0.08 × 1.7 =
  29. 29.0.5 × 0.25 =
  30. 30.0.61 × 3.1 =
  31. 31.0.33 × 1.9 =
  32. 32.1.4 × 2.9 =
  33. 33.0.2 × 1.7 =
  34. 34.4.5 × 2.7 =
  35. 35.5.9 × 1.5 =
  36. 36.0.69 × 1.8 =
  37. 37.0.15 × 1.9 =
  38. 38.8.1 × 0.28 =
  39. 39.2.2 × 0.38 =
  40. 40.6.3 × 0.32 =

Answer key

  1. 0.62
  2. 7.28
  3. 2.65
  4. 12.6
  5. 3.458
  6. 0.124
  7. 1.43
  8. 0.728
  9. 0.196
  10. 0.123
  11. 1.296
  12. 1.276
  13. 1.4
  14. 8.99
  15. 1.863
  16. 0.212
  17. 1.702
  18. 0.378
  19. 0.189
  20. 0.248
  21. 0.976
  22. 1.12
  23. 1.656
  24. 0.775
  25. 1.82
  26. 13.86
  27. 2.574
  28. 0.136
  29. 0.125
  30. 1.891
  31. 0.627
  32. 4.06
  33. 0.34
  34. 12.15
  35. 8.85
  36. 1.242
  37. 0.285
  38. 2.268
  39. 0.836
  40. 2.016

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