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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 750 · 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. 1.0.41 × 1.7 =
  2. 2.3.8 × 0.35 =
  3. 3.0.21 × 2.4 =
  4. 4.3.4 × 0.28 =
  5. 5.0.58 × 0.8 =
  6. 6.6.9 × 1.1 =
  7. 7.4.5 × 2.1 =
  8. 8.0.47 × 0.4 =
  9. 9.0.88 × 3.5 =
  10. 10.0.43 × 1.5 =
  11. 11.9.8 × 2.6 =
  12. 12.0.16 × 1.6 =
  13. 13.0.36 × 2.6 =
  14. 14.3.2 × 2.1 =
  15. 15.0.23 × 1.1 =
  16. 16.0.11 × 2.4 =
  17. 17.0.72 × 1.1 =
  18. 18.3.1 × 0.07 =
  19. 19.0.57 × 3.1 =
  20. 20.0.13 × 1.3 =
  21. 21.0.91 × 1.3 =
  22. 22.0.31 × 1.1 =
  23. 23.0.98 × 2.2 =
  24. 24.1.4 × 2.8 =
  25. 25.0.06 × 0.9 =
  26. 26.1.8 × 2.3 =
  27. 27.9.1 × 0.9 =
  28. 28.2.5 × 0.02 =
  29. 29.4.7 × 0.11 =
  30. 30.4.5 × 1.5 =
  31. 31.7.2 × 3.9 =
  32. 32.0.14 × 0.5 =
  33. 33.0.91 × 1.9 =
  34. 34.0.09 × 3.9 =
  35. 35.0.13 × 2.3 =
  36. 36.8.6 × 0.6 =
  37. 37.0.46 × 0.2 =
  38. 38.0.39 × 1.3 =
  39. 39.4.1 × 0.18 =
  40. 40.3.4 × 0.9 =

Answer key

  1. 0.697
  2. 1.33
  3. 0.504
  4. 0.952
  5. 0.464
  6. 7.59
  7. 9.45
  8. 0.188
  9. 3.08
  10. 0.645
  11. 25.48
  12. 0.256
  13. 0.936
  14. 6.72
  15. 0.253
  16. 0.264
  17. 0.792
  18. 0.217
  19. 1.767
  20. 0.169
  21. 1.183
  22. 0.341
  23. 2.156
  24. 3.92
  25. 0.054
  26. 4.14
  27. 8.19
  28. 0.05
  29. 0.517
  30. 6.75
  31. 28.08
  32. 0.07
  33. 1.729
  34. 0.351
  35. 0.299
  36. 5.16
  37. 0.092
  38. 0.507
  39. 0.738
  40. 3.06

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