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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 957 · 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. 1.5.3 × 0.7 =
  2. 2.9.1 × 0.06 =
  3. 3.0.65 × 0.2 =
  4. 4.5.2 × 0.21 =
  5. 5.0.58 × 0.4 =
  6. 6.0.42 × 0.9 =
  7. 7.4.9 × 0.23 =
  8. 8.1.6 × 0.14 =
  9. 9.0.46 × 1.1 =
  10. 10.5.8 × 0.6 =
  11. 11.6.4 × 0.08 =
  12. 12.0.74 × 0.2 =
  13. 13.1.5 × 3.4 =
  14. 14.8.2 × 2.5 =
  15. 15.9.3 × 0.31 =
  16. 16.0.62 × 3.6 =
  17. 17.1.7 × 0.39 =
  18. 18.0.99 × 1.4 =
  19. 19.0.92 × 1.9 =
  20. 20.0.81 × 0.5 =
  21. 21.0.49 × 3.7 =
  22. 22.0.9 × 1.2 =
  23. 23.0.67 × 1.2 =
  24. 24.7.3 × 0.29 =
  25. 25.1.8 × 2.5 =
  26. 26.8.1 × 0.11 =
  27. 27.0.84 × 3.7 =
  28. 28.0.05 × 1.9 =
  29. 29.9.1 × 1.6 =
  30. 30.0.81 × 2.3 =
  31. 31.8.6 × 0.38 =
  32. 32.0.27 × 0.2 =
  33. 33.5.1 × 2.7 =
  34. 34.6.5 × 2.3 =
  35. 35.2.2 × 1.4 =
  36. 36.0.05 × 0.8 =
  37. 37.2.6 × 1.5 =
  38. 38.0.94 × 3.6 =
  39. 39.0.21 × 0.9 =
  40. 40.0.99 × 1.9 =

Answer key

  1. 3.71
  2. 0.546
  3. 0.13
  4. 1.092
  5. 0.232
  6. 0.378
  7. 1.127
  8. 0.224
  9. 0.506
  10. 3.48
  11. 0.512
  12. 0.148
  13. 5.1
  14. 20.5
  15. 2.883
  16. 2.232
  17. 0.663
  18. 1.386
  19. 1.748
  20. 0.405
  21. 1.813
  22. 1.08
  23. 0.804
  24. 2.117
  25. 4.5
  26. 0.891
  27. 3.108
  28. 0.095
  29. 14.56
  30. 1.863
  31. 3.268
  32. 0.054
  33. 13.77
  34. 14.95
  35. 3.08
  36. 0.04
  37. 3.9
  38. 3.384
  39. 0.189
  40. 1.881

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