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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 5 · 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. 1.9.5 × 2.7 =
  2. 2.0.87 × 3.6 =
  3. 3.1.6 × 0.34 =
  4. 4.0.63 × 3.5 =
  5. 5.1.9 × 2.1 =
  6. 6.1.8 × 3.3 =
  7. 7.0.9 × 0.29 =
  8. 8.2.1 × 0.23 =
  9. 9.1.7 × 0.2 =
  10. 10.9.8 × 0.12 =
  11. 11.2.3 × 0.12 =
  12. 12.0.23 × 2.1 =
  13. 13.9.5 × 0.02 =
  14. 14.9.1 × 0.28 =
  15. 15.0.94 × 2.5 =
  16. 16.0.37 × 2.9 =
  17. 17.0.63 × 3.4 =
  18. 18.7.6 × 2.1 =
  19. 19.2.4 × 0.28 =
  20. 20.0.37 × 0.4 =
  21. 21.6.9 × 0.11 =
  22. 22.7.6 × 3.5 =
  23. 23.0.7 × 2.8 =
  24. 24.0.45 × 2.3 =
  25. 25.0.87 × 0.3 =
  26. 26.0.32 × 2.4 =
  27. 27.7.7 × 1.2 =
  28. 28.0.71 × 1.5 =
  29. 29.0.15 × 0.8 =
  30. 30.1.5 × 0.35 =
  31. 31.8.8 × 0.02 =
  32. 32.7.2 × 0.39 =
  33. 33.9.9 × 0.03 =
  34. 34.6.3 × 0.26 =
  35. 35.9.1 × 0.4 =
  36. 36.8.1 × 3.5 =
  37. 37.0.39 × 0.9 =
  38. 38.0.35 × 3.5 =
  39. 39.0.38 × 2.6 =
  40. 40.6.3 × 0.11 =

Answer key

  1. 25.65
  2. 3.132
  3. 0.544
  4. 2.205
  5. 3.99
  6. 5.94
  7. 0.261
  8. 0.483
  9. 0.34
  10. 1.176
  11. 0.276
  12. 0.483
  13. 0.19
  14. 2.548
  15. 2.35
  16. 1.073
  17. 2.142
  18. 15.96
  19. 0.672
  20. 0.148
  21. 0.759
  22. 26.6
  23. 1.96
  24. 1.035
  25. 0.261
  26. 0.768
  27. 9.24
  28. 1.065
  29. 0.12
  30. 0.525
  31. 0.176
  32. 2.808
  33. 0.297
  34. 1.638
  35. 3.64
  36. 28.35
  37. 0.351
  38. 1.225
  39. 0.988
  40. 0.693

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