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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 933 · 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. 1.4.1 × 0.03 =
  2. 2.0.64 × 3.8 =
  3. 3.0.27 × 3.8 =
  4. 4.2.2 × 2.1 =
  5. 5.0.16 × 1.1 =
  6. 6.9.3 × 1.8 =
  7. 7.6.7 × 2.1 =
  8. 8.8.9 × 0.15 =
  9. 9.3.9 × 1.5 =
  10. 10.0.4 × 0.03 =
  11. 11.8.6 × 0.6 =
  12. 12.8.8 × 0.36 =
  13. 13.7.1 × 2.3 =
  14. 14.4.7 × 0.17 =
  15. 15.7.9 × 0.33 =
  16. 16.0.75 × 3.9 =
  17. 17.0.41 × 2.4 =
  18. 18.0.28 × 1.7 =
  19. 19.8.3 × 0.8 =
  20. 20.0.11 × 1.2 =
  21. 21.4.1 × 3.7 =
  22. 22.0.27 × 0.7 =
  23. 23.6.1 × 3.7 =
  24. 24.7.4 × 0.27 =
  25. 25.0.02 × 2.7 =
  26. 26.3.1 × 2.7 =
  27. 27.0.96 × 0.3 =
  28. 28.1.4 × 3.1 =
  29. 29.1.1 × 2.5 =
  30. 30.0.64 × 1.9 =
  31. 31.0.16 × 0.5 =
  32. 32.0.41 × 2.3 =
  33. 33.2.1 × 0.4 =
  34. 34.4.5 × 3.5 =
  35. 35.9.5 × 0.8 =
  36. 36.1.3 × 1.5 =
  37. 37.0.05 × 3.1 =
  38. 38.1.1 × 0.36 =
  39. 39.0.22 × 1.8 =
  40. 40.0.85 × 0.6 =

Answer key

  1. 0.123
  2. 2.432
  3. 1.026
  4. 4.62
  5. 0.176
  6. 16.74
  7. 14.07
  8. 1.335
  9. 5.85
  10. 0.012
  11. 5.16
  12. 3.168
  13. 16.33
  14. 0.799
  15. 2.607
  16. 2.925
  17. 0.984
  18. 0.476
  19. 6.64
  20. 0.132
  21. 15.17
  22. 0.189
  23. 22.57
  24. 1.998
  25. 0.054
  26. 8.37
  27. 0.288
  28. 4.34
  29. 2.75
  30. 1.216
  31. 0.08
  32. 0.943
  33. 0.84
  34. 15.75
  35. 7.6
  36. 1.95
  37. 0.155
  38. 0.396
  39. 0.396
  40. 0.51

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