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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 377 · 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. 1.0.06 × 0.5 =
  2. 2.9.6 × 0.7 =
  3. 3.3.5 × 0.23 =
  4. 4.0.02 × 3.1 =
  5. 5.0.55 × 2.3 =
  6. 6.6.2 × 0.2 =
  7. 7.8.7 × 0.31 =
  8. 8.1.3 × 3.6 =
  9. 9.0.39 × 1.2 =
  10. 10.0.76 × 1.6 =
  11. 11.1.1 × 1.5 =
  12. 12.0.2 × 2.8 =
  13. 13.0.71 × 0.4 =
  14. 14.0.42 × 2.1 =
  15. 15.0.08 × 3.1 =
  16. 16.0.5 × 0.11 =
  17. 17.0.27 × 1.6 =
  18. 18.0.13 × 0.3 =
  19. 19.0.13 × 1.9 =
  20. 20.9.3 × 0.5 =
  21. 21.0.94 × 1.5 =
  22. 22.0.12 × 2.7 =
  23. 23.0.6 × 0.18 =
  24. 24.0.44 × 2.9 =
  25. 25.0.96 × 2.3 =
  26. 26.0.58 × 0.8 =
  27. 27.4.8 × 0.4 =
  28. 28.2.4 × 1.1 =
  29. 29.0.57 × 1.8 =
  30. 30.0.5 × 0.06 =
  31. 31.7.3 × 3.3 =
  32. 32.0.34 × 1.1 =
  33. 33.8.4 × 3.3 =
  34. 34.0.74 × 0.5 =
  35. 35.7.9 × 0.17 =
  36. 36.0.36 × 0.3 =
  37. 37.0.46 × 1.3 =
  38. 38.0.6 × 3.8 =
  39. 39.0.69 × 0.3 =
  40. 40.4.1 × 0.31 =

Answer key

  1. 0.03
  2. 6.72
  3. 0.805
  4. 0.062
  5. 1.265
  6. 1.24
  7. 2.697
  8. 4.68
  9. 0.468
  10. 1.216
  11. 1.65
  12. 0.56
  13. 0.284
  14. 0.882
  15. 0.248
  16. 0.055
  17. 0.432
  18. 0.039
  19. 0.247
  20. 4.65
  21. 1.41
  22. 0.324
  23. 0.108
  24. 1.276
  25. 2.208
  26. 0.464
  27. 1.92
  28. 2.64
  29. 1.026
  30. 0.03
  31. 24.09
  32. 0.374
  33. 27.72
  34. 0.37
  35. 1.343
  36. 0.108
  37. 0.598
  38. 2.28
  39. 0.207
  40. 1.271

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