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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 358 · 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. 1.1.4 × 0.33 =
  2. 2.0.18 × 3.1 =
  3. 3.2.1 × 0.33 =
  4. 4.0.28 × 0.6 =
  5. 5.0.53 × 0.3 =
  6. 6.0.72 × 2.2 =
  7. 7.9.6 × 1.5 =
  8. 8.0.56 × 1.6 =
  9. 9.0.51 × 1.1 =
  10. 10.6.4 × 0.31 =
  11. 11.6.8 × 0.08 =
  12. 12.3.1 × 3.2 =
  13. 13.0.41 × 3.1 =
  14. 14.8.6 × 1.7 =
  15. 15.0.44 × 0.6 =
  16. 16.0.26 × 0.2 =
  17. 17.9.1 × 3.4 =
  18. 18.5.6 × 0.02 =
  19. 19.6.6 × 0.36 =
  20. 20.2.5 × 0.07 =
  21. 21.6.2 × 0.38 =
  22. 22.8.7 × 0.32 =
  23. 23.0.19 × 1.1 =
  24. 24.0.21 × 1.4 =
  25. 25.9.7 × 0.13 =
  26. 26.6.2 × 2.1 =
  27. 27.0.72 × 0.3 =
  28. 28.5.9 × 0.32 =
  29. 29.5.3 × 0.33 =
  30. 30.0.21 × 3.9 =
  31. 31.0.31 × 3.8 =
  32. 32.2.2 × 0.9 =
  33. 33.6.9 × 0.24 =
  34. 34.0.55 × 3.2 =
  35. 35.6.6 × 0.06 =
  36. 36.0.35 × 2.3 =
  37. 37.0.54 × 1.3 =
  38. 38.0.79 × 1.7 =
  39. 39.7.8 × 0.14 =
  40. 40.0.78 × 1.3 =

Answer key

  1. 0.462
  2. 0.558
  3. 0.693
  4. 0.168
  5. 0.159
  6. 1.584
  7. 14.4
  8. 0.896
  9. 0.561
  10. 1.984
  11. 0.544
  12. 9.92
  13. 1.271
  14. 14.62
  15. 0.264
  16. 0.052
  17. 30.94
  18. 0.112
  19. 2.376
  20. 0.175
  21. 2.356
  22. 2.784
  23. 0.209
  24. 0.294
  25. 1.261
  26. 13.02
  27. 0.216
  28. 1.888
  29. 1.749
  30. 0.819
  31. 1.178
  32. 1.98
  33. 1.656
  34. 1.76
  35. 0.396
  36. 0.805
  37. 0.702
  38. 1.343
  39. 1.092
  40. 1.014

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