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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 266 · 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. 1.0.68 × 2.2 =
  2. 2.4.6 × 0.22 =
  3. 3.0.34 × 1.3 =
  4. 4.0.88 × 3.9 =
  5. 5.9.8 × 3.9 =
  6. 6.6.2 × 1.4 =
  7. 7.0.19 × 3.8 =
  8. 8.8.7 × 0.23 =
  9. 9.3.6 × 0.27 =
  10. 10.0.34 × 2.1 =
  11. 11.0.47 × 1.4 =
  12. 12.8.4 × 3.4 =
  13. 13.0.63 × 1.3 =
  14. 14.9.1 × 0.24 =
  15. 15.6.4 × 1.1 =
  16. 16.0.51 × 0.5 =
  17. 17.7.1 × 0.2 =
  18. 18.1.4 × 0.31 =
  19. 19.2.8 × 0.34 =
  20. 20.0.47 × 0.3 =
  21. 21.0.09 × 3.6 =
  22. 22.7.6 × 1.1 =
  23. 23.0.63 × 3.9 =
  24. 24.0.3 × 0.2 =
  25. 25.0.06 × 0.5 =
  26. 26.1.5 × 1.5 =
  27. 27.0.66 × 0.9 =
  28. 28.0.93 × 1.1 =
  29. 29.0.42 × 2.5 =
  30. 30.3.3 × 3.5 =
  31. 31.0.83 × 0.9 =
  32. 32.3.5 × 1.2 =
  33. 33.1.7 × 0.12 =
  34. 34.9.9 × 1.2 =
  35. 35.0.75 × 3.5 =
  36. 36.0.37 × 3.4 =
  37. 37.9.6 × 2.2 =
  38. 38.0.51 × 0.2 =
  39. 39.0.8 × 1.8 =
  40. 40.0.3 × 0.04 =

Answer key

  1. 1.496
  2. 1.012
  3. 0.442
  4. 3.432
  5. 38.22
  6. 8.68
  7. 0.722
  8. 2.001
  9. 0.972
  10. 0.714
  11. 0.658
  12. 28.56
  13. 0.819
  14. 2.184
  15. 7.04
  16. 0.255
  17. 1.42
  18. 0.434
  19. 0.952
  20. 0.141
  21. 0.324
  22. 8.36
  23. 2.457
  24. 0.06
  25. 0.03
  26. 2.25
  27. 0.594
  28. 1.023
  29. 1.05
  30. 11.55
  31. 0.747
  32. 4.2
  33. 0.204
  34. 11.88
  35. 2.625
  36. 1.258
  37. 21.12
  38. 0.102
  39. 1.44
  40. 0.012

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