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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 593 · 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. 1.0.03 × 2.6 =
  2. 2.0.39 × 2.1 =
  3. 3.3.1 × 0.16 =
  4. 4.9.7 × 0.13 =
  5. 5.1.3 × 0.5 =
  6. 6.8.4 × 0.5 =
  7. 7.8.2 × 0.22 =
  8. 8.4.9 × 3.1 =
  9. 9.0.8 × 0.32 =
  10. 10.4.4 × 3.7 =
  11. 11.6.3 × 0.33 =
  12. 12.0.41 × 0.6 =
  13. 13.0.03 × 1.1 =
  14. 14.4.4 × 1.8 =
  15. 15.0.27 × 0.2 =
  16. 16.0.74 × 0.9 =
  17. 17.3.1 × 0.08 =
  18. 18.0.06 × 2.8 =
  19. 19.0.31 × 0.7 =
  20. 20.0.28 × 2.8 =
  21. 21.7.1 × 0.9 =
  22. 22.4.1 × 3.1 =
  23. 23.0.27 × 2.1 =
  24. 24.2.9 × 3.1 =
  25. 25.0.15 × 1.6 =
  26. 26.0.23 × 3.7 =
  27. 27.0.06 × 1.3 =
  28. 28.0.06 × 1.1 =
  29. 29.0.42 × 2.8 =
  30. 30.0.81 × 0.5 =
  31. 31.3.5 × 1.4 =
  32. 32.5.4 × 3.1 =
  33. 33.0.76 × 3.9 =
  34. 34.9.6 × 1.7 =
  35. 35.3.7 × 2.7 =
  36. 36.7.2 × 0.21 =
  37. 37.0.87 × 0.4 =
  38. 38.0.12 × 0.9 =
  39. 39.8.2 × 0.37 =
  40. 40.0.29 × 3.6 =

Answer key

  1. 0.078
  2. 0.819
  3. 0.496
  4. 1.261
  5. 0.65
  6. 4.2
  7. 1.804
  8. 15.19
  9. 0.256
  10. 16.28
  11. 2.079
  12. 0.246
  13. 0.033
  14. 7.92
  15. 0.054
  16. 0.666
  17. 0.248
  18. 0.168
  19. 0.217
  20. 0.784
  21. 6.39
  22. 12.71
  23. 0.567
  24. 8.99
  25. 0.24
  26. 0.851
  27. 0.078
  28. 0.066
  29. 1.176
  30. 0.405
  31. 4.9
  32. 16.74
  33. 2.964
  34. 16.32
  35. 9.99
  36. 1.512
  37. 0.348
  38. 0.108
  39. 3.034
  40. 1.044

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