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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 947 · 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. 1.0.42 × 3.7 =
  2. 2.1.6 × 0.26 =
  3. 3.7.1 × 0.14 =
  4. 4.0.19 × 2.8 =
  5. 5.4.4 × 0.7 =
  6. 6.0.08 × 2.3 =
  7. 7.7.7 × 0.6 =
  8. 8.6.1 × 1.9 =
  9. 9.0.95 × 1.7 =
  10. 10.0.15 × 1.7 =
  11. 11.7.1 × 0.35 =
  12. 12.2.1 × 3.8 =
  13. 13.6.5 × 2.3 =
  14. 14.4.1 × 1.1 =
  15. 15.0.83 × 0.4 =
  16. 16.9.3 × 0.27 =
  17. 17.5.5 × 1.1 =
  18. 18.0.41 × 2.9 =
  19. 19.8.3 × 0.35 =
  20. 20.0.81 × 1.9 =
  21. 21.0.82 × 0.4 =
  22. 22.5.2 × 0.04 =
  23. 23.0.07 × 0.6 =
  24. 24.5.2 × 3.9 =
  25. 25.0.36 × 0.6 =
  26. 26.0.81 × 3.4 =
  27. 27.3.5 × 2.7 =
  28. 28.2.7 × 0.5 =
  29. 29.0.82 × 2.1 =
  30. 30.0.43 × 0.8 =
  31. 31.0.11 × 3.8 =
  32. 32.2.7 × 0.31 =
  33. 33.8.6 × 2.1 =
  34. 34.0.12 × 1.6 =
  35. 35.0.83 × 3.1 =
  36. 36.4.4 × 0.04 =
  37. 37.5.5 × 1.7 =
  38. 38.7.3 × 2.1 =
  39. 39.0.24 × 3.5 =
  40. 40.0.54 × 0.8 =

Answer key

  1. 1.554
  2. 0.416
  3. 0.994
  4. 0.532
  5. 3.08
  6. 0.184
  7. 4.62
  8. 11.59
  9. 1.615
  10. 0.255
  11. 2.485
  12. 7.98
  13. 14.95
  14. 4.51
  15. 0.332
  16. 2.511
  17. 6.05
  18. 1.189
  19. 2.905
  20. 1.539
  21. 0.328
  22. 0.208
  23. 0.042
  24. 20.28
  25. 0.216
  26. 2.754
  27. 9.45
  28. 1.35
  29. 1.722
  30. 0.344
  31. 0.418
  32. 0.837
  33. 18.06
  34. 0.192
  35. 2.573
  36. 0.176
  37. 9.35
  38. 15.33
  39. 0.84
  40. 0.432

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