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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 402 · 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. 1.3.6 × 0.8 =
  2. 2.0.16 × 1.1 =
  3. 3.7.7 × 0.36 =
  4. 4.0.71 × 2.7 =
  5. 5.3.6 × 0.29 =
  6. 6.0.32 × 1.1 =
  7. 7.4.7 × 2.7 =
  8. 8.8.9 × 2.6 =
  9. 9.0.05 × 0.8 =
  10. 10.3.3 × 3.6 =
  11. 11.0.03 × 0.8 =
  12. 12.5.9 × 0.11 =
  13. 13.1.1 × 2.3 =
  14. 14.0.57 × 2.9 =
  15. 15.2.2 × 3.9 =
  16. 16.9.9 × 0.19 =
  17. 17.0.81 × 2.5 =
  18. 18.9.8 × 0.11 =
  19. 19.0.9 × 2.6 =
  20. 20.0.92 × 2.9 =
  21. 21.1.2 × 0.02 =
  22. 22.9.5 × 0.35 =
  23. 23.0.27 × 2.2 =
  24. 24.4.3 × 3.9 =
  25. 25.4.2 × 0.3 =
  26. 26.0.96 × 3.4 =
  27. 27.4.6 × 0.14 =
  28. 28.0.63 × 3.3 =
  29. 29.7.1 × 3.1 =
  30. 30.0.87 × 3.8 =
  31. 31.5.3 × 0.36 =
  32. 32.2.6 × 0.06 =
  33. 33.8.4 × 2.2 =
  34. 34.1.7 × 2.7 =
  35. 35.0.16 × 0.8 =
  36. 36.2.9 × 0.5 =
  37. 37.1.2 × 3.9 =
  38. 38.0.13 × 3.1 =
  39. 39.0.53 × 0.2 =
  40. 40.0.07 × 1.1 =

Answer key

  1. 2.88
  2. 0.176
  3. 2.772
  4. 1.917
  5. 1.044
  6. 0.352
  7. 12.69
  8. 23.14
  9. 0.04
  10. 11.88
  11. 0.024
  12. 0.649
  13. 2.53
  14. 1.653
  15. 8.58
  16. 1.881
  17. 2.025
  18. 1.078
  19. 2.34
  20. 2.668
  21. 0.024
  22. 3.325
  23. 0.594
  24. 16.77
  25. 1.26
  26. 3.264
  27. 0.644
  28. 2.079
  29. 22.01
  30. 3.306
  31. 1.908
  32. 0.156
  33. 18.48
  34. 4.59
  35. 0.128
  36. 1.45
  37. 4.68
  38. 0.403
  39. 0.106
  40. 0.077

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