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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 893 · 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. 1.1.8 × 0.4 =
  2. 2.6.5 × 0.26 =
  3. 3.6.6 × 0.13 =
  4. 4.0.41 × 3.4 =
  5. 5.0.9 × 2.4 =
  6. 6.6.5 × 0.14 =
  7. 7.0.45 × 2.6 =
  8. 8.1.3 × 0.38 =
  9. 9.0.32 × 3.6 =
  10. 10.7.8 × 1.3 =
  11. 11.3.1 × 0.06 =
  12. 12.0.61 × 3.1 =
  13. 13.8.8 × 0.27 =
  14. 14.0.91 × 3.8 =
  15. 15.6.9 × 0.08 =
  16. 16.0.72 × 1.6 =
  17. 17.2.1 × 1.7 =
  18. 18.0.97 × 1.8 =
  19. 19.0.57 × 3.3 =
  20. 20.2.6 × 0.06 =
  21. 21.4.1 × 1.2 =
  22. 22.3.6 × 0.7 =
  23. 23.1.1 × 0.11 =
  24. 24.0.81 × 1.4 =
  25. 25.0.86 × 1.9 =
  26. 26.0.36 × 1.8 =
  27. 27.3.2 × 2.1 =
  28. 28.5.2 × 0.21 =
  29. 29.0.07 × 1.8 =
  30. 30.0.13 × 0.2 =
  31. 31.0.86 × 0.6 =
  32. 32.0.78 × 2.1 =
  33. 33.2.2 × 3.8 =
  34. 34.8.7 × 0.14 =
  35. 35.7.9 × 0.04 =
  36. 36.3.4 × 3.6 =
  37. 37.0.6 × 2.7 =
  38. 38.7.5 × 0.31 =
  39. 39.0.91 × 1.6 =
  40. 40.3.5 × 0.39 =

Answer key

  1. 0.72
  2. 1.69
  3. 0.858
  4. 1.394
  5. 2.16
  6. 0.91
  7. 1.17
  8. 0.494
  9. 1.152
  10. 10.14
  11. 0.186
  12. 1.891
  13. 2.376
  14. 3.458
  15. 0.552
  16. 1.152
  17. 3.57
  18. 1.746
  19. 1.881
  20. 0.156
  21. 4.92
  22. 2.52
  23. 0.121
  24. 1.134
  25. 1.634
  26. 0.648
  27. 6.72
  28. 1.092
  29. 0.126
  30. 0.026
  31. 0.516
  32. 1.638
  33. 8.36
  34. 1.218
  35. 0.316
  36. 12.24
  37. 1.62
  38. 2.325
  39. 1.456
  40. 1.365

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