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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 37 · 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. 1.8.7 × 0.15 =
  2. 2.0.13 × 3.6 =
  3. 3.9.1 × 0.06 =
  4. 4.4.6 × 0.19 =
  5. 5.0.81 × 0.4 =
  6. 6.9.7 × 0.27 =
  7. 7.0.08 × 3.3 =
  8. 8.8.6 × 2.1 =
  9. 9.7.2 × 0.11 =
  10. 10.0.28 × 1.4 =
  11. 11.2.9 × 1.4 =
  12. 12.4.4 × 3.3 =
  13. 13.0.8 × 0.36 =
  14. 14.0.75 × 3.3 =
  15. 15.9.1 × 0.19 =
  16. 16.3.2 × 3.1 =
  17. 17.0.27 × 2.2 =
  18. 18.3.2 × 0.35 =
  19. 19.3.4 × 0.03 =
  20. 20.7.4 × 0.28 =
  21. 21.0.04 × 0.5 =
  22. 22.9.5 × 0.6 =
  23. 23.7.6 × 0.11 =
  24. 24.0.16 × 0.9 =
  25. 25.4.1 × 0.28 =
  26. 26.9.5 × 0.39 =
  27. 27.1.6 × 3.3 =
  28. 28.0.19 × 3.3 =
  29. 29.0.97 × 1.5 =
  30. 30.0.46 × 3.5 =
  31. 31.8.3 × 2.9 =
  32. 32.0.51 × 1.2 =
  33. 33.1.8 × 0.36 =
  34. 34.0.89 × 3.1 =
  35. 35.1.5 × 0.5 =
  36. 36.5.1 × 1.6 =
  37. 37.0.54 × 3.7 =
  38. 38.0.34 × 3.5 =
  39. 39.0.31 × 1.5 =
  40. 40.7.3 × 0.07 =

Answer key

  1. 1.305
  2. 0.468
  3. 0.546
  4. 0.874
  5. 0.324
  6. 2.619
  7. 0.264
  8. 18.06
  9. 0.792
  10. 0.392
  11. 4.06
  12. 14.52
  13. 0.288
  14. 2.475
  15. 1.729
  16. 9.92
  17. 0.594
  18. 1.12
  19. 0.102
  20. 2.072
  21. 0.02
  22. 5.7
  23. 0.836
  24. 0.144
  25. 1.148
  26. 3.705
  27. 5.28
  28. 0.627
  29. 1.455
  30. 1.61
  31. 24.07
  32. 0.612
  33. 0.648
  34. 2.759
  35. 0.75
  36. 8.16
  37. 1.998
  38. 1.19
  39. 0.465
  40. 0.511

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