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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 498 · 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. 1.0.31 × 1.8 =
  2. 2.0.31 × 2.3 =
  3. 3.0.32 × 0.2 =
  4. 4.0.49 × 3.6 =
  5. 5.8.9 × 2.6 =
  6. 6.0.03 × 2.3 =
  7. 7.0.32 × 3.5 =
  8. 8.5.9 × 1.8 =
  9. 9.5.3 × 0.07 =
  10. 10.9.5 × 0.26 =
  11. 11.5.5 × 3.9 =
  12. 12.4.1 × 1.4 =
  13. 13.0.77 × 1.1 =
  14. 14.4.7 × 0.8 =
  15. 15.7.2 × 1.5 =
  16. 16.0.4 × 3.5 =
  17. 17.4.7 × 3.6 =
  18. 18.7.1 × 1.6 =
  19. 19.0.43 × 0.8 =
  20. 20.4.1 × 0.5 =
  21. 21.0.38 × 3.1 =
  22. 22.3.6 × 0.04 =
  23. 23.5.6 × 0.05 =
  24. 24.0.43 × 1.1 =
  25. 25.0.77 × 1.3 =
  26. 26.0.51 × 0.2 =
  27. 27.0.8 × 2.7 =
  28. 28.2.4 × 0.33 =
  29. 29.4.7 × 0.23 =
  30. 30.0.28 × 2.2 =
  31. 31.0.15 × 3.9 =
  32. 32.0.16 × 1.1 =
  33. 33.3.5 × 0.07 =
  34. 34.3.2 × 0.7 =
  35. 35.0.93 × 2.1 =
  36. 36.0.27 × 2.3 =
  37. 37.0.08 × 1.2 =
  38. 38.2.8 × 0.06 =
  39. 39.0.35 × 0.8 =
  40. 40.0.22 × 3.7 =

Answer key

  1. 0.558
  2. 0.713
  3. 0.064
  4. 1.764
  5. 23.14
  6. 0.069
  7. 1.12
  8. 10.62
  9. 0.371
  10. 2.47
  11. 21.45
  12. 5.74
  13. 0.847
  14. 3.76
  15. 10.8
  16. 1.4
  17. 16.92
  18. 11.36
  19. 0.344
  20. 2.05
  21. 1.178
  22. 0.144
  23. 0.28
  24. 0.473
  25. 1.001
  26. 0.102
  27. 2.16
  28. 0.792
  29. 1.081
  30. 0.616
  31. 0.585
  32. 0.176
  33. 0.245
  34. 2.24
  35. 1.953
  36. 0.621
  37. 0.096
  38. 0.168
  39. 0.28
  40. 0.814

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