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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 737 · 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. 1.0.84 × 2.7 =
  2. 2.0.11 × 2.9 =
  3. 3.0.08 × 2.1 =
  4. 4.7.1 × 0.04 =
  5. 5.1.2 × 3.8 =
  6. 6.0.18 × 1.1 =
  7. 7.0.05 × 0.8 =
  8. 8.2.1 × 3.3 =
  9. 9.2.7 × 2.1 =
  10. 10.3.1 × 0.16 =
  11. 11.8.8 × 1.1 =
  12. 12.5.1 × 0.04 =
  13. 13.8.1 × 0.25 =
  14. 14.0.76 × 2.7 =
  15. 15.0.2 × 1.8 =
  16. 16.0.64 × 2.3 =
  17. 17.0.67 × 2.3 =
  18. 18.0.46 × 1.1 =
  19. 19.0.91 × 0.9 =
  20. 20.6.2 × 1.4 =
  21. 21.1.9 × 0.12 =
  22. 22.5.6 × 0.29 =
  23. 23.9.5 × 3.7 =
  24. 24.0.25 × 2.3 =
  25. 25.8.9 × 1.1 =
  26. 26.8.1 × 0.7 =
  27. 27.2.5 × 0.6 =
  28. 28.0.2 × 2.8 =
  29. 29.0.99 × 3.2 =
  30. 30.0.99 × 2.4 =
  31. 31.9.3 × 2.7 =
  32. 32.0.72 × 0.8 =
  33. 33.0.27 × 1.5 =
  34. 34.2.2 × 1.8 =
  35. 35.7.7 × 0.09 =
  36. 36.3.6 × 0.31 =
  37. 37.0.95 × 2.1 =
  38. 38.0.21 × 2.1 =
  39. 39.8.7 × 0.36 =
  40. 40.2.1 × 0.36 =

Answer key

  1. 2.268
  2. 0.319
  3. 0.168
  4. 0.284
  5. 4.56
  6. 0.198
  7. 0.04
  8. 6.93
  9. 5.67
  10. 0.496
  11. 9.68
  12. 0.204
  13. 2.025
  14. 2.052
  15. 0.36
  16. 1.472
  17. 1.541
  18. 0.506
  19. 0.819
  20. 8.68
  21. 0.228
  22. 1.624
  23. 35.15
  24. 0.575
  25. 9.79
  26. 5.67
  27. 1.5
  28. 0.56
  29. 3.168
  30. 2.376
  31. 25.11
  32. 0.576
  33. 0.405
  34. 3.96
  35. 0.693
  36. 1.116
  37. 1.995
  38. 0.441
  39. 3.132
  40. 0.756

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