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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 155 · 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. 1.0.62 × 0.4 =
  2. 2.3.1 × 3.7 =
  3. 3.1.5 × 2.1 =
  4. 4.7.3 × 0.16 =
  5. 5.0.58 × 0.2 =
  6. 6.0.27 × 2.3 =
  7. 7.0.38 × 3.9 =
  8. 8.4.1 × 2.9 =
  9. 9.0.14 × 2.5 =
  10. 10.0.5 × 1.4 =
  11. 11.1.2 × 0.32 =
  12. 12.8.6 × 0.17 =
  13. 13.6.1 × 0.04 =
  14. 14.0.57 × 1.4 =
  15. 15.0.94 × 0.7 =
  16. 16.0.39 × 2.4 =
  17. 17.0.91 × 1.4 =
  18. 18.5.9 × 0.17 =
  19. 19.0.33 × 1.2 =
  20. 20.0.28 × 3.5 =
  21. 21.8.5 × 0.35 =
  22. 22.0.63 × 3.7 =
  23. 23.0.17 × 2.3 =
  24. 24.0.67 × 2.1 =
  25. 25.7.4 × 0.12 =
  26. 26.0.71 × 0.7 =
  27. 27.6.4 × 2.1 =
  28. 28.0.52 × 1.9 =
  29. 29.0.46 × 1.4 =
  30. 30.0.4 × 2.2 =
  31. 31.5.9 × 0.5 =
  32. 32.3.7 × 0.2 =
  33. 33.7.9 × 1.7 =
  34. 34.0.99 × 3.1 =
  35. 35.8.2 × 0.15 =
  36. 36.0.33 × 0.4 =
  37. 37.0.61 × 1.5 =
  38. 38.0.6 × 3.1 =
  39. 39.0.84 × 3.9 =
  40. 40.5.2 × 0.08 =

Answer key

  1. 0.248
  2. 11.47
  3. 3.15
  4. 1.168
  5. 0.116
  6. 0.621
  7. 1.482
  8. 11.89
  9. 0.35
  10. 0.7
  11. 0.384
  12. 1.462
  13. 0.244
  14. 0.798
  15. 0.658
  16. 0.936
  17. 1.274
  18. 1.003
  19. 0.396
  20. 0.98
  21. 2.975
  22. 2.331
  23. 0.391
  24. 1.407
  25. 0.888
  26. 0.497
  27. 13.44
  28. 0.988
  29. 0.644
  30. 0.88
  31. 2.95
  32. 0.74
  33. 13.43
  34. 3.069
  35. 1.23
  36. 0.132
  37. 0.915
  38. 1.86
  39. 3.276
  40. 0.416

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