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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 976 · 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. 1.0.24 × 3.6 =
  2. 2.2.1 × 3.1 =
  3. 3.0.21 × 3.2 =
  4. 4.3.1 × 1.3 =
  5. 5.5.5 × 0.9 =
  6. 6.9.7 × 1.2 =
  7. 7.0.86 × 3.1 =
  8. 8.0.83 × 0.7 =
  9. 9.5.8 × 0.34 =
  10. 10.8.9 × 3.7 =
  11. 11.9.7 × 3.6 =
  12. 12.5.2 × 0.9 =
  13. 13.0.4 × 0.09 =
  14. 14.0.8 × 0.21 =
  15. 15.2.1 × 3.4 =
  16. 16.0.65 × 0.5 =
  17. 17.0.09 × 2.1 =
  18. 18.0.55 × 3.5 =
  19. 19.0.63 × 3.9 =
  20. 20.0.67 × 3.8 =
  21. 21.1.3 × 0.2 =
  22. 22.0.71 × 3.9 =
  23. 23.0.3 × 0.12 =
  24. 24.0.5 × 0.19 =
  25. 25.0.94 × 0.6 =
  26. 26.0.81 × 0.3 =
  27. 27.0.61 × 1.9 =
  28. 28.0.61 × 0.7 =
  29. 29.3.4 × 2.1 =
  30. 30.0.11 × 2.1 =
  31. 31.5.5 × 0.21 =
  32. 32.1.2 × 0.14 =
  33. 33.0.81 × 0.8 =
  34. 34.0.36 × 3.5 =
  35. 35.3.1 × 0.38 =
  36. 36.0.19 × 0.7 =
  37. 37.0.72 × 3.4 =
  38. 38.0.54 × 3.4 =
  39. 39.0.74 × 0.3 =
  40. 40.1.9 × 2.7 =

Answer key

  1. 0.864
  2. 6.51
  3. 0.672
  4. 4.03
  5. 4.95
  6. 11.64
  7. 2.666
  8. 0.581
  9. 1.972
  10. 32.93
  11. 34.92
  12. 4.68
  13. 0.036
  14. 0.168
  15. 7.14
  16. 0.325
  17. 0.189
  18. 1.925
  19. 2.457
  20. 2.546
  21. 0.26
  22. 2.769
  23. 0.036
  24. 0.095
  25. 0.564
  26. 0.243
  27. 1.159
  28. 0.427
  29. 7.14
  30. 0.231
  31. 1.155
  32. 0.168
  33. 0.648
  34. 1.26
  35. 1.178
  36. 0.133
  37. 2.448
  38. 1.836
  39. 0.222
  40. 5.13

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