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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 595 · 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. 1.5.7 × 1.3 =
  2. 2.0.42 × 1.1 =
  3. 3.0.74 × 1.3 =
  4. 4.8.4 × 1.1 =
  5. 5.0.48 × 3.7 =
  6. 6.6.6 × 0.12 =
  7. 7.0.49 × 3.7 =
  8. 8.0.71 × 0.7 =
  9. 9.5.7 × 2.9 =
  10. 10.5.1 × 2.5 =
  11. 11.4.3 × 0.35 =
  12. 12.0.44 × 3.7 =
  13. 13.5.8 × 0.7 =
  14. 14.0.41 × 0.4 =
  15. 15.9.6 × 0.37 =
  16. 16.2.3 × 1.7 =
  17. 17.8.5 × 0.18 =
  18. 18.4.8 × 0.34 =
  19. 19.0.48 × 0.8 =
  20. 20.0.5 × 0.5 =
  21. 21.0.64 × 1.1 =
  22. 22.4.3 × 0.11 =
  23. 23.1.3 × 0.32 =
  24. 24.0.36 × 2.3 =
  25. 25.2.9 × 0.35 =
  26. 26.0.46 × 0.4 =
  27. 27.0.05 × 0.3 =
  28. 28.0.54 × 1.4 =
  29. 29.0.97 × 3.3 =
  30. 30.4.6 × 0.36 =
  31. 31.0.23 × 3.3 =
  32. 32.0.93 × 3.1 =
  33. 33.1.2 × 0.15 =
  34. 34.0.87 × 1.8 =
  35. 35.6.1 × 1.7 =
  36. 36.0.52 × 3.5 =
  37. 37.6.1 × 0.11 =
  38. 38.0.25 × 1.4 =
  39. 39.0.8 × 1.4 =
  40. 40.0.15 × 1.9 =

Answer key

  1. 7.41
  2. 0.462
  3. 0.962
  4. 9.24
  5. 1.776
  6. 0.792
  7. 1.813
  8. 0.497
  9. 16.53
  10. 12.75
  11. 1.505
  12. 1.628
  13. 4.06
  14. 0.164
  15. 3.552
  16. 3.91
  17. 1.53
  18. 1.632
  19. 0.384
  20. 0.25
  21. 0.704
  22. 0.473
  23. 0.416
  24. 0.828
  25. 1.015
  26. 0.184
  27. 0.015
  28. 0.756
  29. 3.201
  30. 1.656
  31. 0.759
  32. 2.883
  33. 0.18
  34. 1.566
  35. 10.37
  36. 1.82
  37. 0.671
  38. 0.35
  39. 1.12
  40. 0.285

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