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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 194 · 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. 1.6.3 × 3.9 =
  2. 2.0.94 × 1.1 =
  3. 3.8.9 × 2.1 =
  4. 4.0.57 × 3.5 =
  5. 5.0.35 × 2.3 =
  6. 6.1.6 × 1.6 =
  7. 7.0.64 × 3.6 =
  8. 8.5.1 × 3.6 =
  9. 9.4.1 × 0.24 =
  10. 10.0.4 × 0.29 =
  11. 11.3.3 × 0.09 =
  12. 12.8.4 × 0.14 =
  13. 13.0.41 × 2.8 =
  14. 14.0.2 × 1.1 =
  15. 15.0.68 × 1.1 =
  16. 16.7.1 × 0.7 =
  17. 17.9.6 × 3.5 =
  18. 18.9.1 × 3.6 =
  19. 19.5.9 × 0.11 =
  20. 20.3.8 × 0.29 =
  21. 21.3.2 × 1.5 =
  22. 22.0.97 × 2.3 =
  23. 23.0.82 × 1.7 =
  24. 24.7.4 × 0.12 =
  25. 25.3.6 × 3.5 =
  26. 26.0.11 × 0.2 =
  27. 27.9.1 × 0.3 =
  28. 28.1.5 × 0.14 =
  29. 29.3.4 × 0.08 =
  30. 30.0.54 × 2.8 =
  31. 31.0.8 × 1.1 =
  32. 32.1.1 × 1.4 =
  33. 33.0.11 × 1.7 =
  34. 34.0.9 × 0.07 =
  35. 35.0.92 × 3.9 =
  36. 36.0.29 × 0.3 =
  37. 37.0.13 × 2.6 =
  38. 38.2.9 × 1.2 =
  39. 39.0.16 × 0.2 =
  40. 40.1.7 × 2.5 =

Answer key

  1. 24.57
  2. 1.034
  3. 18.69
  4. 1.995
  5. 0.805
  6. 2.56
  7. 2.304
  8. 18.36
  9. 0.984
  10. 0.116
  11. 0.297
  12. 1.176
  13. 1.148
  14. 0.22
  15. 0.748
  16. 4.97
  17. 33.6
  18. 32.76
  19. 0.649
  20. 1.102
  21. 4.8
  22. 2.231
  23. 1.394
  24. 0.888
  25. 12.6
  26. 0.022
  27. 2.73
  28. 0.21
  29. 0.272
  30. 1.512
  31. 0.88
  32. 1.54
  33. 0.187
  34. 0.063
  35. 3.588
  36. 0.087
  37. 0.338
  38. 3.48
  39. 0.032
  40. 4.25

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