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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 497 · 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. 1.0.15 × 1.3 =
  2. 2.0.74 × 1.1 =
  3. 3.0.95 × 2.8 =
  4. 4.0.3 × 0.9 =
  5. 5.0.51 × 2.6 =
  6. 6.0.31 × 3.5 =
  7. 7.8.1 × 0.2 =
  8. 8.0.2 × 0.31 =
  9. 9.5.4 × 0.24 =
  10. 10.8.4 × 0.26 =
  11. 11.8.3 × 0.9 =
  12. 12.1.1 × 0.34 =
  13. 13.0.82 × 1.3 =
  14. 14.0.76 × 1.5 =
  15. 15.2.1 × 0.03 =
  16. 16.8.2 × 0.35 =
  17. 17.0.12 × 1.5 =
  18. 18.0.92 × 2.7 =
  19. 19.0.75 × 3.1 =
  20. 20.0.38 × 1.6 =
  21. 21.0.45 × 3.1 =
  22. 22.0.46 × 0.8 =
  23. 23.0.91 × 2.7 =
  24. 24.6.9 × 0.06 =
  25. 25.0.91 × 1.5 =
  26. 26.0.64 × 2.4 =
  27. 27.4.9 × 1.1 =
  28. 28.1.5 × 3.4 =
  29. 29.0.49 × 1.5 =
  30. 30.9.9 × 0.04 =
  31. 31.0.31 × 0.4 =
  32. 32.6.1 × 0.05 =
  33. 33.7.6 × 1.5 =
  34. 34.0.58 × 1.9 =
  35. 35.0.86 × 3.4 =
  36. 36.0.08 × 1.2 =
  37. 37.4.2 × 0.3 =
  38. 38.1.4 × 0.02 =
  39. 39.0.51 × 0.5 =
  40. 40.4.7 × 0.37 =

Answer key

  1. 0.195
  2. 0.814
  3. 2.66
  4. 0.27
  5. 1.326
  6. 1.085
  7. 1.62
  8. 0.062
  9. 1.296
  10. 2.184
  11. 7.47
  12. 0.374
  13. 1.066
  14. 1.14
  15. 0.063
  16. 2.87
  17. 0.18
  18. 2.484
  19. 2.325
  20. 0.608
  21. 1.395
  22. 0.368
  23. 2.457
  24. 0.414
  25. 1.365
  26. 1.536
  27. 5.39
  28. 5.1
  29. 0.735
  30. 0.396
  31. 0.124
  32. 0.305
  33. 11.4
  34. 1.102
  35. 2.924
  36. 0.096
  37. 1.26
  38. 0.028
  39. 0.255
  40. 1.739

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