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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 692 · 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 × 3.6 =
  2. 2.0.74 × 3.2 =
  3. 3.0.08 × 1.7 =
  4. 4.0.31 × 2.7 =
  5. 5.0.21 × 3.1 =
  6. 6.2.2 × 0.05 =
  7. 7.8.9 × 3.4 =
  8. 8.9.5 × 0.11 =
  9. 9.0.51 × 0.2 =
  10. 10.3.9 × 0.07 =
  11. 11.4.8 × 0.14 =
  12. 12.5.1 × 0.2 =
  13. 13.0.67 × 3.6 =
  14. 14.0.23 × 2.8 =
  15. 15.0.36 × 1.2 =
  16. 16.0.5 × 1.1 =
  17. 17.7.4 × 1.5 =
  18. 18.0.81 × 3.6 =
  19. 19.9.3 × 0.03 =
  20. 20.0.86 × 3.8 =
  21. 21.0.13 × 1.5 =
  22. 22.4.7 × 0.38 =
  23. 23.7.4 × 0.07 =
  24. 24.0.74 × 3.7 =
  25. 25.0.02 × 1.5 =
  26. 26.0.15 × 3.4 =
  27. 27.0.93 × 1.8 =
  28. 28.1.7 × 0.12 =
  29. 29.0.6 × 0.22 =
  30. 30.0.7 × 0.27 =
  31. 31.0.21 × 3.2 =
  32. 32.8.9 × 0.02 =
  33. 33.3.9 × 1.4 =
  34. 34.0.44 × 3.3 =
  35. 35.0.03 × 3.1 =
  36. 36.6.4 × 0.25 =
  37. 37.3.1 × 0.27 =
  38. 38.4.9 × 0.24 =
  39. 39.1.6 × 3.5 =
  40. 40.9.2 × 0.24 =

Answer key

  1. 0.072
  2. 2.368
  3. 0.136
  4. 0.837
  5. 0.651
  6. 0.11
  7. 30.26
  8. 1.045
  9. 0.102
  10. 0.273
  11. 0.672
  12. 1.02
  13. 2.412
  14. 0.644
  15. 0.432
  16. 0.55
  17. 11.1
  18. 2.916
  19. 0.279
  20. 3.268
  21. 0.195
  22. 1.786
  23. 0.518
  24. 2.738
  25. 0.03
  26. 0.51
  27. 1.674
  28. 0.204
  29. 0.132
  30. 0.189
  31. 0.672
  32. 0.178
  33. 5.46
  34. 1.452
  35. 0.093
  36. 1.6
  37. 0.837
  38. 1.176
  39. 5.6
  40. 2.208

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