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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 36 · 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. 1.0.02 × 1.1 =
  2. 2.2.6 × 0.38 =
  3. 3.6.8 × 0.11 =
  4. 4.0.58 × 1.2 =
  5. 5.8.1 × 0.22 =
  6. 6.0.91 × 0.9 =
  7. 7.0.44 × 2.7 =
  8. 8.0.95 × 2.8 =
  9. 9.2.1 × 0.13 =
  10. 10.0.3 × 1.3 =
  11. 11.0.45 × 3.9 =
  12. 12.0.36 × 0.7 =
  13. 13.5.8 × 1.3 =
  14. 14.6.5 × 0.18 =
  15. 15.0.51 × 0.4 =
  16. 16.2.6 × 0.04 =
  17. 17.2.2 × 0.28 =
  18. 18.7.5 × 0.18 =
  19. 19.0.91 × 2.9 =
  20. 20.0.64 × 0.2 =
  21. 21.2.2 × 1.6 =
  22. 22.2.5 × 0.6 =
  23. 23.0.24 × 3.4 =
  24. 24.0.94 × 1.2 =
  25. 25.0.25 × 0.2 =
  26. 26.0.65 × 2.1 =
  27. 27.0.88 × 0.3 =
  28. 28.0.41 × 1.7 =
  29. 29.2.8 × 2.2 =
  30. 30.3.3 × 1.1 =
  31. 31.1.7 × 2.9 =
  32. 32.0.9 × 0.8 =
  33. 33.0.66 × 1.9 =
  34. 34.1.1 × 1.1 =
  35. 35.0.68 × 0.3 =
  36. 36.0.19 × 2.8 =
  37. 37.0.22 × 0.3 =
  38. 38.0.28 × 2.9 =
  39. 39.0.5 × 2.5 =
  40. 40.0.16 × 1.2 =

Answer key

  1. 0.022
  2. 0.988
  3. 0.748
  4. 0.696
  5. 1.782
  6. 0.819
  7. 1.188
  8. 2.66
  9. 0.273
  10. 0.39
  11. 1.755
  12. 0.252
  13. 7.54
  14. 1.17
  15. 0.204
  16. 0.104
  17. 0.616
  18. 1.35
  19. 2.639
  20. 0.128
  21. 3.52
  22. 1.5
  23. 0.816
  24. 1.128
  25. 0.05
  26. 1.365
  27. 0.264
  28. 0.697
  29. 6.16
  30. 3.63
  31. 4.93
  32. 0.72
  33. 1.254
  34. 1.21
  35. 0.204
  36. 0.532
  37. 0.066
  38. 0.812
  39. 1.25
  40. 0.192

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