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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 405 · 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. 1.0.96 × 0.8 =
  2. 2.3.3 × 0.17 =
  3. 3.0.05 × 1.9 =
  4. 4.0.41 × 0.2 =
  5. 5.5.2 × 0.31 =
  6. 6.0.26 × 0.9 =
  7. 7.0.68 × 2.5 =
  8. 8.6.8 × 0.36 =
  9. 9.0.21 × 0.8 =
  10. 10.0.21 × 2.3 =
  11. 11.8.8 × 0.02 =
  12. 12.7.5 × 0.34 =
  13. 13.6.6 × 0.27 =
  14. 14.0.27 × 1.7 =
  15. 15.0.19 × 0.6 =
  16. 16.0.51 × 1.3 =
  17. 17.0.42 × 2.9 =
  18. 18.0.68 × 0.6 =
  19. 19.0.6 × 2.2 =
  20. 20.0.39 × 3.5 =
  21. 21.0.34 × 2.9 =
  22. 22.2.3 × 0.9 =
  23. 23.2.4 × 0.08 =
  24. 24.4.7 × 1.1 =
  25. 25.0.91 × 1.4 =
  26. 26.0.11 × 3.7 =
  27. 27.0.3 × 2.5 =
  28. 28.2.9 × 0.11 =
  29. 29.3.2 × 0.24 =
  30. 30.8.2 × 2.6 =
  31. 31.0.32 × 2.5 =
  32. 32.0.65 × 2.2 =
  33. 33.0.41 × 0.7 =
  34. 34.7.1 × 0.9 =
  35. 35.0.5 × 1.4 =
  36. 36.4.1 × 0.18 =
  37. 37.3.5 × 0.05 =
  38. 38.0.39 × 3.7 =
  39. 39.2.4 × 0.13 =
  40. 40.8.7 × 3.1 =

Answer key

  1. 0.768
  2. 0.561
  3. 0.095
  4. 0.082
  5. 1.612
  6. 0.234
  7. 1.7
  8. 2.448
  9. 0.168
  10. 0.483
  11. 0.176
  12. 2.55
  13. 1.782
  14. 0.459
  15. 0.114
  16. 0.663
  17. 1.218
  18. 0.408
  19. 1.32
  20. 1.365
  21. 0.986
  22. 2.07
  23. 0.192
  24. 5.17
  25. 1.274
  26. 0.407
  27. 0.75
  28. 0.319
  29. 0.768
  30. 21.32
  31. 0.8
  32. 1.43
  33. 0.287
  34. 6.39
  35. 0.7
  36. 0.738
  37. 0.175
  38. 1.443
  39. 0.312
  40. 26.97

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