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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 118 · 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. 1.0.44 × 3.2 =
  2. 2.0.12 × 0.5 =
  3. 3.9.5 × 1.8 =
  4. 4.7.3 × 2.4 =
  5. 5.0.35 × 1.3 =
  6. 6.3.6 × 0.06 =
  7. 7.1.5 × 0.12 =
  8. 8.0.31 × 0.4 =
  9. 9.0.51 × 0.3 =
  10. 10.0.24 × 3.7 =
  11. 11.6.8 × 2.1 =
  12. 12.0.32 × 2.1 =
  13. 13.2.4 × 0.05 =
  14. 14.0.63 × 2.4 =
  15. 15.0.98 × 2.4 =
  16. 16.0.47 × 3.2 =
  17. 17.0.09 × 3.6 =
  18. 18.8.5 × 2.8 =
  19. 19.1.3 × 0.33 =
  20. 20.9.1 × 0.25 =
  21. 21.9.4 × 3.1 =
  22. 22.0.61 × 3.8 =
  23. 23.0.69 × 0.3 =
  24. 24.0.61 × 3.9 =
  25. 25.4.8 × 1.4 =
  26. 26.0.5 × 2.4 =
  27. 27.9.4 × 0.21 =
  28. 28.0.13 × 1.7 =
  29. 29.0.85 × 3.3 =
  30. 30.6.3 × 2.2 =
  31. 31.0.98 × 2.9 =
  32. 32.2.5 × 0.14 =
  33. 33.0.03 × 1.7 =
  34. 34.7.3 × 3.7 =
  35. 35.8.9 × 1.7 =
  36. 36.0.31 × 0.7 =
  37. 37.0.92 × 2.7 =
  38. 38.0.61 × 2.6 =
  39. 39.2.6 × 0.33 =
  40. 40.0.24 × 1.3 =

Answer key

  1. 1.408
  2. 0.06
  3. 17.1
  4. 17.52
  5. 0.455
  6. 0.216
  7. 0.18
  8. 0.124
  9. 0.153
  10. 0.888
  11. 14.28
  12. 0.672
  13. 0.12
  14. 1.512
  15. 2.352
  16. 1.504
  17. 0.324
  18. 23.8
  19. 0.429
  20. 2.275
  21. 29.14
  22. 2.318
  23. 0.207
  24. 2.379
  25. 6.72
  26. 1.2
  27. 1.974
  28. 0.221
  29. 2.805
  30. 13.86
  31. 2.842
  32. 0.35
  33. 0.051
  34. 27.01
  35. 15.13
  36. 0.217
  37. 2.484
  38. 1.586
  39. 0.858
  40. 0.312

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