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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 92 · 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. 1.0.82 × 3.1 =
  2. 2.0.61 × 2.5 =
  3. 3.5.8 × 2.4 =
  4. 4.0.81 × 2.7 =
  5. 5.0.37 × 3.5 =
  6. 6.5.9 × 0.04 =
  7. 7.0.48 × 2.4 =
  8. 8.4.6 × 3.8 =
  9. 9.0.85 × 2.8 =
  10. 10.7.1 × 0.14 =
  11. 11.8.1 × 0.06 =
  12. 12.9.3 × 0.02 =
  13. 13.0.03 × 2.4 =
  14. 14.4.2 × 0.02 =
  15. 15.0.58 × 2.8 =
  16. 16.5.2 × 0.27 =
  17. 17.0.57 × 3.9 =
  18. 18.0.91 × 0.4 =
  19. 19.0.73 × 2.1 =
  20. 20.6.1 × 0.36 =
  21. 21.0.39 × 1.9 =
  22. 22.2.6 × 0.07 =
  23. 23.2.5 × 0.8 =
  24. 24.0.65 × 3.3 =
  25. 25.1.3 × 2.4 =
  26. 26.0.41 × 1.5 =
  27. 27.1.1 × 2.1 =
  28. 28.0.6 × 0.2 =
  29. 29.0.08 × 2.3 =
  30. 30.0.46 × 2.1 =
  31. 31.0.65 × 1.4 =
  32. 32.4.8 × 0.05 =
  33. 33.8.7 × 1.4 =
  34. 34.0.8 × 3.3 =
  35. 35.7.9 × 3.1 =
  36. 36.6.3 × 0.37 =
  37. 37.9.7 × 1.6 =
  38. 38.0.79 × 0.7 =
  39. 39.0.43 × 0.2 =
  40. 40.0.34 × 3.7 =

Answer key

  1. 2.542
  2. 1.525
  3. 13.92
  4. 2.187
  5. 1.295
  6. 0.236
  7. 1.152
  8. 17.48
  9. 2.38
  10. 0.994
  11. 0.486
  12. 0.186
  13. 0.072
  14. 0.084
  15. 1.624
  16. 1.404
  17. 2.223
  18. 0.364
  19. 1.533
  20. 2.196
  21. 0.741
  22. 0.182
  23. 2
  24. 2.145
  25. 3.12
  26. 0.615
  27. 2.31
  28. 0.12
  29. 0.184
  30. 0.966
  31. 0.91
  32. 0.24
  33. 12.18
  34. 2.64
  35. 24.49
  36. 2.331
  37. 15.52
  38. 0.553
  39. 0.086
  40. 1.258

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