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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 464 · 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. 1.5.2 × 0.12 =
  2. 2.0.35 × 2.2 =
  3. 3.5.8 × 0.38 =
  4. 4.1.3 × 0.11 =
  5. 5.9.3 × 3.5 =
  6. 6.6.4 × 0.33 =
  7. 7.0.45 × 2.9 =
  8. 8.0.48 × 3.3 =
  9. 9.4.5 × 0.13 =
  10. 10.6.5 × 0.34 =
  11. 11.0.91 × 3.5 =
  12. 12.0.73 × 1.5 =
  13. 13.0.31 × 2.3 =
  14. 14.1.7 × 0.23 =
  15. 15.6.2 × 0.5 =
  16. 16.7.7 × 0.02 =
  17. 17.8.4 × 0.6 =
  18. 18.1.9 × 0.9 =
  19. 19.0.84 × 1.7 =
  20. 20.8.7 × 0.04 =
  21. 21.5.3 × 3.5 =
  22. 22.0.21 × 1.8 =
  23. 23.5.7 × 0.9 =
  24. 24.0.3 × 0.19 =
  25. 25.6.5 × 0.31 =
  26. 26.0.6 × 3.5 =
  27. 27.0.77 × 2.8 =
  28. 28.2.8 × 1.1 =
  29. 29.0.72 × 0.8 =
  30. 30.0.56 × 3.3 =
  31. 31.6.4 × 0.19 =
  32. 32.2.7 × 0.26 =
  33. 33.0.54 × 3.1 =
  34. 34.3.9 × 3.1 =
  35. 35.1.1 × 2.3 =
  36. 36.1.7 × 0.6 =
  37. 37.9.4 × 3.2 =
  38. 38.0.05 × 0.9 =
  39. 39.0.69 × 2.3 =
  40. 40.0.53 × 2.1 =

Answer key

  1. 0.624
  2. 0.77
  3. 2.204
  4. 0.143
  5. 32.55
  6. 2.112
  7. 1.305
  8. 1.584
  9. 0.585
  10. 2.21
  11. 3.185
  12. 1.095
  13. 0.713
  14. 0.391
  15. 3.1
  16. 0.154
  17. 5.04
  18. 1.71
  19. 1.428
  20. 0.348
  21. 18.55
  22. 0.378
  23. 5.13
  24. 0.057
  25. 2.015
  26. 2.1
  27. 2.156
  28. 3.08
  29. 0.576
  30. 1.848
  31. 1.216
  32. 0.702
  33. 1.674
  34. 12.09
  35. 2.53
  36. 1.02
  37. 30.08
  38. 0.045
  39. 1.587
  40. 1.113

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