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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 453 · 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. 1.6.1 × 0.38 =
  2. 2.0.66 × 0.4 =
  3. 3.0.37 × 1.7 =
  4. 4.1.1 × 0.11 =
  5. 5.8.1 × 0.03 =
  6. 6.7.7 × 1.6 =
  7. 7.3.7 × 0.36 =
  8. 8.8.7 × 0.08 =
  9. 9.0.88 × 0.4 =
  10. 10.8.7 × 2.8 =
  11. 11.1.6 × 0.36 =
  12. 12.0.51 × 3.1 =
  13. 13.2.9 × 0.13 =
  14. 14.0.11 × 1.6 =
  15. 15.1.5 × 0.34 =
  16. 16.1.7 × 1.1 =
  17. 17.0.8 × 0.04 =
  18. 18.8.7 × 0.17 =
  19. 19.2.1 × 0.31 =
  20. 20.0.46 × 3.2 =
  21. 21.0.17 × 1.8 =
  22. 22.5.5 × 0.33 =
  23. 23.7.9 × 0.26 =
  24. 24.0.67 × 2.1 =
  25. 25.8.9 × 0.33 =
  26. 26.0.61 × 1.1 =
  27. 27.6.8 × 0.19 =
  28. 28.3.5 × 0.02 =
  29. 29.0.31 × 1.2 =
  30. 30.0.38 × 1.2 =
  31. 31.0.32 × 0.9 =
  32. 32.5.1 × 0.06 =
  33. 33.0.19 × 1.5 =
  34. 34.0.56 × 3.3 =
  35. 35.4.1 × 0.21 =
  36. 36.7.1 × 0.18 =
  37. 37.0.66 × 1.8 =
  38. 38.0.61 × 1.5 =
  39. 39.1.6 × 1.4 =
  40. 40.0.64 × 3.6 =

Answer key

  1. 2.318
  2. 0.264
  3. 0.629
  4. 0.121
  5. 0.243
  6. 12.32
  7. 1.332
  8. 0.696
  9. 0.352
  10. 24.36
  11. 0.576
  12. 1.581
  13. 0.377
  14. 0.176
  15. 0.51
  16. 1.87
  17. 0.032
  18. 1.479
  19. 0.651
  20. 1.472
  21. 0.306
  22. 1.815
  23. 2.054
  24. 1.407
  25. 2.937
  26. 0.671
  27. 1.292
  28. 0.07
  29. 0.372
  30. 0.456
  31. 0.288
  32. 0.306
  33. 0.285
  34. 1.848
  35. 0.861
  36. 1.278
  37. 1.188
  38. 0.915
  39. 2.24
  40. 2.304

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