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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 265 · 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. 1.0.82 × 1.6 =
  2. 2.0.24 × 0.4 =
  3. 3.2.1 × 0.34 =
  4. 4.0.19 × 0.7 =
  5. 5.9.5 × 0.02 =
  6. 6.6.6 × 0.14 =
  7. 7.6.6 × 3.4 =
  8. 8.0.46 × 3.2 =
  9. 9.3.5 × 0.21 =
  10. 10.2.9 × 0.6 =
  11. 11.2.1 × 0.14 =
  12. 12.0.02 × 0.4 =
  13. 13.4.1 × 0.6 =
  14. 14.0.51 × 0.8 =
  15. 15.3.1 × 3.9 =
  16. 16.7.4 × 0.08 =
  17. 17.9.1 × 0.03 =
  18. 18.3.8 × 3.8 =
  19. 19.0.92 × 3.6 =
  20. 20.0.16 × 0.9 =
  21. 21.5.9 × 0.6 =
  22. 22.1.5 × 2.9 =
  23. 23.0.11 × 2.9 =
  24. 24.3.8 × 2.8 =
  25. 25.0.03 × 1.1 =
  26. 26.5.5 × 0.31 =
  27. 27.0.99 × 0.8 =
  28. 28.0.64 × 1.8 =
  29. 29.7.6 × 1.9 =
  30. 30.0.66 × 3.8 =
  31. 31.2.5 × 0.25 =
  32. 32.6.4 × 1.2 =
  33. 33.0.24 × 0.7 =
  34. 34.0.28 × 2.3 =
  35. 35.0.27 × 1.3 =
  36. 36.5.3 × 0.11 =
  37. 37.6.1 × 1.1 =
  38. 38.0.38 × 1.2 =
  39. 39.1.4 × 0.08 =
  40. 40.0.43 × 3.6 =

Answer key

  1. 1.312
  2. 0.096
  3. 0.714
  4. 0.133
  5. 0.19
  6. 0.924
  7. 22.44
  8. 1.472
  9. 0.735
  10. 1.74
  11. 0.294
  12. 0.008
  13. 2.46
  14. 0.408
  15. 12.09
  16. 0.592
  17. 0.273
  18. 14.44
  19. 3.312
  20. 0.144
  21. 3.54
  22. 4.35
  23. 0.319
  24. 10.64
  25. 0.033
  26. 1.705
  27. 0.792
  28. 1.152
  29. 14.44
  30. 2.508
  31. 0.625
  32. 7.68
  33. 0.168
  34. 0.644
  35. 0.351
  36. 0.583
  37. 6.71
  38. 0.456
  39. 0.112
  40. 1.548

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