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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 656 · 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. 1.1.9 × 0.25 =
  2. 2.0.8 × 2.2 =
  3. 3.0.56 × 1.1 =
  4. 4.0.11 × 1.9 =
  5. 5.5.1 × 1.8 =
  6. 6.0.24 × 0.2 =
  7. 7.6.5 × 1.1 =
  8. 8.6.7 × 2.2 =
  9. 9.0.36 × 0.6 =
  10. 10.0.77 × 1.8 =
  11. 11.0.6 × 1.9 =
  12. 12.0.39 × 0.8 =
  13. 13.4.8 × 2.2 =
  14. 14.2.7 × 1.1 =
  15. 15.4.2 × 2.5 =
  16. 16.0.31 × 2.9 =
  17. 17.0.19 × 1.7 =
  18. 18.7.5 × 0.21 =
  19. 19.0.41 × 0.4 =
  20. 20.3.1 × 0.26 =
  21. 21.0.48 × 0.4 =
  22. 22.3.3 × 1.3 =
  23. 23.0.74 × 1.7 =
  24. 24.0.8 × 0.27 =
  25. 25.6.2 × 0.33 =
  26. 26.6.4 × 1.5 =
  27. 27.9.3 × 0.23 =
  28. 28.8.8 × 0.12 =
  29. 29.3.1 × 0.23 =
  30. 30.0.46 × 2.7 =
  31. 31.4.5 × 0.38 =
  32. 32.0.2 × 0.11 =
  33. 33.0.41 × 1.1 =
  34. 34.0.6 × 0.14 =
  35. 35.0.31 × 1.5 =
  36. 36.5.1 × 0.6 =
  37. 37.0.94 × 0.7 =
  38. 38.9.5 × 0.03 =
  39. 39.0.11 × 2.2 =
  40. 40.0.57 × 1.2 =

Answer key

  1. 0.475
  2. 1.76
  3. 0.616
  4. 0.209
  5. 9.18
  6. 0.048
  7. 7.15
  8. 14.74
  9. 0.216
  10. 1.386
  11. 1.14
  12. 0.312
  13. 10.56
  14. 2.97
  15. 10.5
  16. 0.899
  17. 0.323
  18. 1.575
  19. 0.164
  20. 0.806
  21. 0.192
  22. 4.29
  23. 1.258
  24. 0.216
  25. 2.046
  26. 9.6
  27. 2.139
  28. 1.056
  29. 0.713
  30. 1.242
  31. 1.71
  32. 0.022
  33. 0.451
  34. 0.084
  35. 0.465
  36. 3.06
  37. 0.658
  38. 0.285
  39. 0.242
  40. 0.684

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