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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 987 · 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. 1.2.3 × 3.6 =
  2. 2.0.56 × 3.2 =
  3. 3.7.1 × 0.27 =
  4. 4.0.92 × 0.6 =
  5. 5.0.76 × 2.9 =
  6. 6.7.4 × 0.27 =
  7. 7.6.1 × 3.1 =
  8. 8.0.17 × 3.9 =
  9. 9.0.5 × 1.9 =
  10. 10.0.08 × 1.1 =
  11. 11.5.6 × 0.07 =
  12. 12.2.6 × 0.4 =
  13. 13.0.56 × 1.2 =
  14. 14.9.3 × 2.6 =
  15. 15.1.1 × 0.11 =
  16. 16.0.76 × 0.9 =
  17. 17.3.1 × 2.4 =
  18. 18.0.06 × 2.6 =
  19. 19.5.1 × 0.39 =
  20. 20.0.21 × 1.5 =
  21. 21.0.61 × 0.6 =
  22. 22.4.2 × 0.2 =
  23. 23.4.6 × 3.5 =
  24. 24.9.5 × 0.27 =
  25. 25.1.2 × 0.02 =
  26. 26.0.66 × 2.4 =
  27. 27.0.08 × 3.5 =
  28. 28.7.6 × 0.4 =
  29. 29.8.3 × 0.09 =
  30. 30.0.85 × 0.4 =
  31. 31.8.7 × 1.1 =
  32. 32.0.36 × 3.3 =
  33. 33.2.3 × 3.2 =
  34. 34.0.69 × 2.4 =
  35. 35.9.1 × 3.3 =
  36. 36.0.21 × 2.5 =
  37. 37.6.2 × 0.09 =
  38. 38.9.2 × 0.11 =
  39. 39.0.64 × 2.1 =
  40. 40.3.3 × 0.5 =

Answer key

  1. 8.28
  2. 1.792
  3. 1.917
  4. 0.552
  5. 2.204
  6. 1.998
  7. 18.91
  8. 0.663
  9. 0.95
  10. 0.088
  11. 0.392
  12. 1.04
  13. 0.672
  14. 24.18
  15. 0.121
  16. 0.684
  17. 7.44
  18. 0.156
  19. 1.989
  20. 0.315
  21. 0.366
  22. 0.84
  23. 16.1
  24. 2.565
  25. 0.024
  26. 1.584
  27. 0.28
  28. 3.04
  29. 0.747
  30. 0.34
  31. 9.57
  32. 1.188
  33. 7.36
  34. 1.656
  35. 30.03
  36. 0.525
  37. 0.558
  38. 1.012
  39. 1.344
  40. 1.65

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