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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 681 · 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. 1.0.29 × 0.5 =
  2. 2.0.04 × 2.8 =
  3. 3.1.1 × 2.2 =
  4. 4.0.74 × 0.2 =
  5. 5.0.69 × 1.6 =
  6. 6.0.2 × 0.27 =
  7. 7.8.6 × 0.31 =
  8. 8.0.84 × 2.8 =
  9. 9.3.8 × 0.31 =
  10. 10.8.8 × 2.8 =
  11. 11.6.3 × 3.9 =
  12. 12.0.56 × 2.5 =
  13. 13.0.81 × 2.5 =
  14. 14.0.69 × 0.9 =
  15. 15.0.98 × 2.4 =
  16. 16.0.22 × 2.9 =
  17. 17.0.11 × 1.2 =
  18. 18.0.96 × 0.2 =
  19. 19.6.4 × 0.4 =
  20. 20.0.64 × 3.8 =
  21. 21.4.2 × 0.2 =
  22. 22.7.5 × 0.35 =
  23. 23.4.7 × 0.05 =
  24. 24.0.02 × 0.7 =
  25. 25.0.81 × 1.5 =
  26. 26.5.8 × 0.08 =
  27. 27.1.5 × 2.4 =
  28. 28.9.4 × 0.28 =
  29. 29.0.93 × 3.3 =
  30. 30.0.71 × 3.4 =
  31. 31.0.32 × 0.7 =
  32. 32.0.5 × 1.1 =
  33. 33.2.5 × 0.17 =
  34. 34.0.09 × 2.4 =
  35. 35.2.7 × 2.7 =
  36. 36.0.77 × 3.2 =
  37. 37.0.95 × 0.3 =
  38. 38.0.37 × 1.7 =
  39. 39.0.5 × 0.08 =
  40. 40.2.4 × 1.6 =

Answer key

  1. 0.145
  2. 0.112
  3. 2.42
  4. 0.148
  5. 1.104
  6. 0.054
  7. 2.666
  8. 2.352
  9. 1.178
  10. 24.64
  11. 24.57
  12. 1.4
  13. 2.025
  14. 0.621
  15. 2.352
  16. 0.638
  17. 0.132
  18. 0.192
  19. 2.56
  20. 2.432
  21. 0.84
  22. 2.625
  23. 0.235
  24. 0.014
  25. 1.215
  26. 0.464
  27. 3.6
  28. 2.632
  29. 3.069
  30. 2.414
  31. 0.224
  32. 0.55
  33. 0.425
  34. 0.216
  35. 7.29
  36. 2.464
  37. 0.285
  38. 0.629
  39. 0.04
  40. 3.84

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