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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 588 · 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. 1.8.7 × 0.7 =
  2. 2.0.54 × 1.5 =
  3. 3.0.02 × 3.7 =
  4. 4.3.4 × 0.28 =
  5. 5.3.7 × 3.4 =
  6. 6.0.5 × 0.3 =
  7. 7.0.83 × 3.3 =
  8. 8.0.97 × 2.3 =
  9. 9.8.1 × 3.6 =
  10. 10.7.7 × 0.24 =
  11. 11.0.34 × 0.9 =
  12. 12.6.1 × 3.6 =
  13. 13.0.95 × 0.3 =
  14. 14.0.11 × 2.8 =
  15. 15.0.19 × 1.1 =
  16. 16.3.7 × 0.2 =
  17. 17.3.1 × 0.16 =
  18. 18.0.65 × 1.9 =
  19. 19.4.1 × 0.34 =
  20. 20.0.56 × 0.3 =
  21. 21.0.13 × 0.2 =
  22. 22.0.48 × 2.3 =
  23. 23.0.87 × 1.1 =
  24. 24.0.96 × 3.7 =
  25. 25.6.1 × 1.8 =
  26. 26.3.9 × 0.21 =
  27. 27.0.87 × 2.7 =
  28. 28.0.31 × 3.9 =
  29. 29.0.51 × 3.9 =
  30. 30.0.11 × 3.7 =
  31. 31.7.6 × 3.5 =
  32. 32.5.5 × 0.03 =
  33. 33.1.1 × 3.3 =
  34. 34.0.35 × 1.3 =
  35. 35.0.08 × 2.9 =
  36. 36.0.22 × 0.6 =
  37. 37.8.2 × 3.9 =
  38. 38.2.1 × 1.4 =
  39. 39.9.1 × 2.2 =
  40. 40.0.44 × 1.1 =

Answer key

  1. 6.09
  2. 0.81
  3. 0.074
  4. 0.952
  5. 12.58
  6. 0.15
  7. 2.739
  8. 2.231
  9. 29.16
  10. 1.848
  11. 0.306
  12. 21.96
  13. 0.285
  14. 0.308
  15. 0.209
  16. 0.74
  17. 0.496
  18. 1.235
  19. 1.394
  20. 0.168
  21. 0.026
  22. 1.104
  23. 0.957
  24. 3.552
  25. 10.98
  26. 0.819
  27. 2.349
  28. 1.209
  29. 1.989
  30. 0.407
  31. 26.6
  32. 0.165
  33. 3.63
  34. 0.455
  35. 0.232
  36. 0.132
  37. 31.98
  38. 2.94
  39. 20.02
  40. 0.484

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