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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 586 · 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. 1.5.3 × 1.3 =
  2. 2.0.23 × 0.9 =
  3. 3.0.05 × 3.8 =
  4. 4.0.38 × 3.7 =
  5. 5.0.98 × 0.6 =
  6. 6.7.5 × 0.08 =
  7. 7.0.13 × 2.9 =
  8. 8.4.8 × 0.19 =
  9. 9.0.87 × 2.3 =
  10. 10.7.6 × 0.06 =
  11. 11.0.51 × 2.9 =
  12. 12.5.7 × 0.07 =
  13. 13.0.54 × 3.3 =
  14. 14.7.4 × 2.8 =
  15. 15.4.7 × 2.2 =
  16. 16.0.02 × 1.2 =
  17. 17.0.97 × 3.1 =
  18. 18.0.5 × 0.8 =
  19. 19.0.89 × 3.1 =
  20. 20.2.5 × 0.6 =
  21. 21.0.5 × 0.22 =
  22. 22.6.5 × 0.25 =
  23. 23.0.26 × 0.9 =
  24. 24.0.85 × 1.9 =
  25. 25.0.97 × 0.8 =
  26. 26.5.7 × 0.28 =
  27. 27.8.8 × 0.17 =
  28. 28.0.67 × 1.1 =
  29. 29.5.8 × 2.5 =
  30. 30.0.19 × 1.7 =
  31. 31.1.7 × 0.24 =
  32. 32.6.2 × 2.7 =
  33. 33.0.31 × 3.7 =
  34. 34.0.5 × 0.04 =
  35. 35.0.6 × 1.9 =
  36. 36.5.6 × 0.28 =
  37. 37.0.95 × 0.9 =
  38. 38.0.16 × 1.5 =
  39. 39.9.8 × 0.36 =
  40. 40.0.9 × 0.14 =

Answer key

  1. 6.89
  2. 0.207
  3. 0.19
  4. 1.406
  5. 0.588
  6. 0.6
  7. 0.377
  8. 0.912
  9. 2.001
  10. 0.456
  11. 1.479
  12. 0.399
  13. 1.782
  14. 20.72
  15. 10.34
  16. 0.024
  17. 3.007
  18. 0.4
  19. 2.759
  20. 1.5
  21. 0.11
  22. 1.625
  23. 0.234
  24. 1.615
  25. 0.776
  26. 1.596
  27. 1.496
  28. 0.737
  29. 14.5
  30. 0.323
  31. 0.408
  32. 16.74
  33. 1.147
  34. 0.02
  35. 1.14
  36. 1.568
  37. 0.855
  38. 0.24
  39. 3.528
  40. 0.126

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