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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 175 · 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. 1.2.8 × 0.06 =
  2. 2.0.53 × 0.8 =
  3. 3.8.7 × 0.26 =
  4. 4.0.38 × 3.4 =
  5. 5.8.7 × 0.9 =
  6. 6.7.8 × 0.03 =
  7. 7.1.1 × 0.7 =
  8. 8.8.2 × 0.3 =
  9. 9.0.15 × 1.9 =
  10. 10.0.91 × 1.8 =
  11. 11.0.56 × 3.1 =
  12. 12.0.68 × 2.8 =
  13. 13.7.1 × 0.4 =
  14. 14.6.9 × 3.1 =
  15. 15.7.7 × 2.1 =
  16. 16.0.9 × 2.3 =
  17. 17.6.2 × 1.6 =
  18. 18.0.21 × 3.8 =
  19. 19.4.1 × 3.1 =
  20. 20.0.76 × 2.2 =
  21. 21.8.4 × 0.08 =
  22. 22.7.1 × 1.5 =
  23. 23.0.22 × 3.4 =
  24. 24.0.52 × 2.8 =
  25. 25.0.68 × 0.7 =
  26. 26.0.3 × 0.29 =
  27. 27.0.16 × 3.9 =
  28. 28.9.7 × 3.6 =
  29. 29.4.6 × 0.21 =
  30. 30.5.3 × 0.6 =
  31. 31.6.1 × 0.03 =
  32. 32.0.02 × 2.3 =
  33. 33.6.8 × 0.6 =
  34. 34.0.26 × 2.1 =
  35. 35.8.6 × 0.23 =
  36. 36.0.75 × 0.8 =
  37. 37.0.81 × 3.9 =
  38. 38.0.43 × 1.1 =
  39. 39.1.8 × 1.1 =
  40. 40.0.55 × 0.8 =

Answer key

  1. 0.168
  2. 0.424
  3. 2.262
  4. 1.292
  5. 7.83
  6. 0.234
  7. 0.77
  8. 2.46
  9. 0.285
  10. 1.638
  11. 1.736
  12. 1.904
  13. 2.84
  14. 21.39
  15. 16.17
  16. 2.07
  17. 9.92
  18. 0.798
  19. 12.71
  20. 1.672
  21. 0.672
  22. 10.65
  23. 0.748
  24. 1.456
  25. 0.476
  26. 0.087
  27. 0.624
  28. 34.92
  29. 0.966
  30. 3.18
  31. 0.183
  32. 0.046
  33. 4.08
  34. 0.546
  35. 1.978
  36. 0.6
  37. 3.159
  38. 0.473
  39. 1.98
  40. 0.44

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