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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 602 · 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. 1.0.51 × 3.4 =
  2. 2.0.75 × 2.6 =
  3. 3.7.2 × 0.37 =
  4. 4.4.1 × 0.26 =
  5. 5.8.9 × 0.33 =
  6. 6.3.9 × 1.6 =
  7. 7.8.1 × 1.5 =
  8. 8.9.9 × 0.14 =
  9. 9.7.2 × 0.8 =
  10. 10.5.6 × 0.26 =
  11. 11.0.69 × 0.6 =
  12. 12.2.5 × 0.8 =
  13. 13.0.71 × 3.9 =
  14. 14.0.32 × 3.4 =
  15. 15.0.96 × 0.5 =
  16. 16.6.9 × 2.4 =
  17. 17.0.21 × 1.9 =
  18. 18.6.1 × 2.1 =
  19. 19.0.86 × 0.7 =
  20. 20.0.97 × 1.6 =
  21. 21.3.1 × 0.29 =
  22. 22.0.16 × 2.9 =
  23. 23.8.2 × 0.3 =
  24. 24.1.7 × 0.25 =
  25. 25.7.5 × 1.5 =
  26. 26.0.2 × 0.37 =
  27. 27.0.08 × 2.1 =
  28. 28.0.73 × 2.2 =
  29. 29.3.7 × 1.1 =
  30. 30.0.35 × 0.2 =
  31. 31.4.1 × 2.1 =
  32. 32.0.22 × 2.3 =
  33. 33.0.98 × 2.3 =
  34. 34.8.5 × 1.5 =
  35. 35.9.5 × 0.27 =
  36. 36.0.56 × 2.5 =
  37. 37.8.7 × 3.9 =
  38. 38.3.3 × 0.11 =
  39. 39.0.2 × 1.5 =
  40. 40.0.59 × 3.9 =

Answer key

  1. 1.734
  2. 1.95
  3. 2.664
  4. 1.066
  5. 2.937
  6. 6.24
  7. 12.15
  8. 1.386
  9. 5.76
  10. 1.456
  11. 0.414
  12. 2
  13. 2.769
  14. 1.088
  15. 0.48
  16. 16.56
  17. 0.399
  18. 12.81
  19. 0.602
  20. 1.552
  21. 0.899
  22. 0.464
  23. 2.46
  24. 0.425
  25. 11.25
  26. 0.074
  27. 0.168
  28. 1.606
  29. 4.07
  30. 0.07
  31. 8.61
  32. 0.506
  33. 2.254
  34. 12.75
  35. 2.565
  36. 1.4
  37. 33.93
  38. 0.363
  39. 0.3
  40. 2.301

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