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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 281 · 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. 1.0.58 × 2.1 =
  2. 2.0.66 × 0.7 =
  3. 3.0.09 × 1.3 =
  4. 4.3.2 × 0.23 =
  5. 5.4.4 × 0.4 =
  6. 6.5.8 × 0.03 =
  7. 7.0.15 × 3.5 =
  8. 8.0.98 × 2.4 =
  9. 9.0.82 × 0.2 =
  10. 10.0.06 × 3.1 =
  11. 11.2.2 × 0.13 =
  12. 12.0.04 × 2.9 =
  13. 13.0.21 × 2.4 =
  14. 14.6.4 × 0.23 =
  15. 15.0.87 × 3.9 =
  16. 16.0.78 × 2.6 =
  17. 17.0.32 × 1.4 =
  18. 18.0.3 × 3.1 =
  19. 19.8.6 × 0.31 =
  20. 20.2.5 × 1.8 =
  21. 21.6.4 × 3.9 =
  22. 22.0.31 × 0.9 =
  23. 23.4.8 × 1.7 =
  24. 24.0.48 × 0.3 =
  25. 25.0.72 × 3.8 =
  26. 26.9.1 × 0.35 =
  27. 27.0.31 × 3.1 =
  28. 28.0.48 × 0.4 =
  29. 29.0.7 × 2.8 =
  30. 30.1.1 × 1.3 =
  31. 31.0.85 × 1.9 =
  32. 32.0.81 × 1.7 =
  33. 33.0.04 × 3.3 =
  34. 34.5.5 × 3.5 =
  35. 35.0.06 × 1.2 =
  36. 36.5.3 × 0.21 =
  37. 37.0.35 × 2.9 =
  38. 38.0.52 × 3.3 =
  39. 39.5.6 × 3.1 =
  40. 40.0.48 × 1.6 =

Answer key

  1. 1.218
  2. 0.462
  3. 0.117
  4. 0.736
  5. 1.76
  6. 0.174
  7. 0.525
  8. 2.352
  9. 0.164
  10. 0.186
  11. 0.286
  12. 0.116
  13. 0.504
  14. 1.472
  15. 3.393
  16. 2.028
  17. 0.448
  18. 0.93
  19. 2.666
  20. 4.5
  21. 24.96
  22. 0.279
  23. 8.16
  24. 0.144
  25. 2.736
  26. 3.185
  27. 0.961
  28. 0.192
  29. 1.96
  30. 1.43
  31. 1.615
  32. 1.377
  33. 0.132
  34. 19.25
  35. 0.072
  36. 1.113
  37. 1.015
  38. 1.716
  39. 17.36
  40. 0.768

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