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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 465 · 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. 1.0.51 × 0.7 =
  2. 2.4.1 × 0.35 =
  3. 3.0.59 × 2.3 =
  4. 4.0.12 × 1.9 =
  5. 5.0.61 × 3.5 =
  6. 6.0.17 × 3.4 =
  7. 7.0.92 × 2.7 =
  8. 8.0.59 × 1.9 =
  9. 9.0.24 × 1.7 =
  10. 10.0.8 × 0.28 =
  11. 11.0.36 × 3.3 =
  12. 12.0.57 × 0.5 =
  13. 13.0.8 × 0.7 =
  14. 14.0.09 × 3.6 =
  15. 15.5.4 × 0.04 =
  16. 16.6.6 × 0.23 =
  17. 17.2.2 × 0.38 =
  18. 18.6.2 × 0.5 =
  19. 19.3.3 × 0.35 =
  20. 20.0.58 × 1.8 =
  21. 21.0.08 × 1.1 =
  22. 22.4.7 × 0.11 =
  23. 23.0.3 × 2.1 =
  24. 24.0.41 × 2.1 =
  25. 25.8.1 × 0.31 =
  26. 26.1.6 × 2.2 =
  27. 27.2.7 × 0.36 =
  28. 28.0.02 × 0.3 =
  29. 29.0.79 × 3.5 =
  30. 30.4.7 × 3.7 =
  31. 31.2.6 × 0.06 =
  32. 32.6.1 × 0.35 =
  33. 33.7.9 × 0.26 =
  34. 34.1.1 × 0.03 =
  35. 35.6.3 × 0.33 =
  36. 36.3.2 × 0.7 =
  37. 37.0.51 × 2.7 =
  38. 38.0.78 × 0.4 =
  39. 39.0.91 × 1.4 =
  40. 40.0.42 × 1.5 =

Answer key

  1. 0.357
  2. 1.435
  3. 1.357
  4. 0.228
  5. 2.135
  6. 0.578
  7. 2.484
  8. 1.121
  9. 0.408
  10. 0.224
  11. 1.188
  12. 0.285
  13. 0.56
  14. 0.324
  15. 0.216
  16. 1.518
  17. 0.836
  18. 3.1
  19. 1.155
  20. 1.044
  21. 0.088
  22. 0.517
  23. 0.63
  24. 0.861
  25. 2.511
  26. 3.52
  27. 0.972
  28. 0.006
  29. 2.765
  30. 17.39
  31. 0.156
  32. 2.135
  33. 2.054
  34. 0.033
  35. 2.079
  36. 2.24
  37. 1.377
  38. 0.312
  39. 1.274
  40. 0.63

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