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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 942 · 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. 1.4.3 × 0.22 =
  2. 2.0.15 × 2.4 =
  3. 3.1.3 × 0.09 =
  4. 4.0.81 × 3.5 =
  5. 5.0.71 × 3.2 =
  6. 6.0.93 × 0.2 =
  7. 7.5.2 × 0.11 =
  8. 8.5.2 × 0.04 =
  9. 9.3.1 × 1.1 =
  10. 10.0.76 × 0.6 =
  11. 11.7.5 × 2.9 =
  12. 12.8.9 × 0.28 =
  13. 13.0.57 × 0.9 =
  14. 14.0.2 × 1.2 =
  15. 15.0.5 × 2.3 =
  16. 16.0.13 × 2.1 =
  17. 17.6.8 × 0.8 =
  18. 18.0.53 × 1.4 =
  19. 19.4.1 × 2.5 =
  20. 20.0.41 × 1.3 =
  21. 21.4.4 × 0.14 =
  22. 22.0.82 × 1.5 =
  23. 23.0.56 × 3.7 =
  24. 24.0.62 × 1.6 =
  25. 25.9.4 × 0.36 =
  26. 26.4.4 × 0.38 =
  27. 27.3.6 × 0.08 =
  28. 28.0.85 × 3.1 =
  29. 29.0.54 × 0.9 =
  30. 30.8.1 × 1.3 =
  31. 31.0.84 × 1.4 =
  32. 32.9.2 × 0.04 =
  33. 33.0.6 × 0.27 =
  34. 34.7.1 × 3.3 =
  35. 35.0.49 × 2.1 =
  36. 36.0.94 × 3.5 =
  37. 37.0.17 × 0.3 =
  38. 38.4.1 × 0.33 =
  39. 39.0.24 × 0.8 =
  40. 40.2.6 × 0.18 =

Answer key

  1. 0.946
  2. 0.36
  3. 0.117
  4. 2.835
  5. 2.272
  6. 0.186
  7. 0.572
  8. 0.208
  9. 3.41
  10. 0.456
  11. 21.75
  12. 2.492
  13. 0.513
  14. 0.24
  15. 1.15
  16. 0.273
  17. 5.44
  18. 0.742
  19. 10.25
  20. 0.533
  21. 0.616
  22. 1.23
  23. 2.072
  24. 0.992
  25. 3.384
  26. 1.672
  27. 0.288
  28. 2.635
  29. 0.486
  30. 10.53
  31. 1.176
  32. 0.368
  33. 0.162
  34. 23.43
  35. 1.029
  36. 3.29
  37. 0.051
  38. 1.353
  39. 0.192
  40. 0.468

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