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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 544 · 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. 1.0.82 × 3.2 =
  2. 2.0.86 × 0.7 =
  3. 3.4.7 × 3.5 =
  4. 4.3.1 × 0.12 =
  5. 5.0.04 × 1.9 =
  6. 6.0.91 × 2.7 =
  7. 7.0.26 × 1.7 =
  8. 8.0.14 × 1.5 =
  9. 9.8.2 × 0.04 =
  10. 10.0.49 × 2.8 =
  11. 11.0.5 × 3.1 =
  12. 12.7.1 × 3.5 =
  13. 13.2.2 × 3.2 =
  14. 14.0.14 × 1.1 =
  15. 15.0.07 × 2.7 =
  16. 16.2.2 × 1.1 =
  17. 17.0.56 × 1.1 =
  18. 18.0.5 × 0.12 =
  19. 19.0.52 × 2.1 =
  20. 20.0.45 × 3.2 =
  21. 21.0.96 × 2.3 =
  22. 22.7.3 × 2.1 =
  23. 23.0.55 × 2.3 =
  24. 24.4.3 × 2.4 =
  25. 25.0.11 × 3.7 =
  26. 26.9.2 × 0.2 =
  27. 27.2.6 × 0.34 =
  28. 28.5.3 × 0.35 =
  29. 29.3.1 × 1.7 =
  30. 30.1.8 × 0.19 =
  31. 31.0.71 × 0.4 =
  32. 32.0.14 × 0.6 =
  33. 33.5.1 × 0.14 =
  34. 34.6.9 × 2.6 =
  35. 35.0.58 × 3.3 =
  36. 36.0.63 × 0.9 =
  37. 37.1.1 × 0.21 =
  38. 38.0.91 × 0.7 =
  39. 39.3.7 × 0.11 =
  40. 40.0.9 × 0.5 =

Answer key

  1. 2.624
  2. 0.602
  3. 16.45
  4. 0.372
  5. 0.076
  6. 2.457
  7. 0.442
  8. 0.21
  9. 0.328
  10. 1.372
  11. 1.55
  12. 24.85
  13. 7.04
  14. 0.154
  15. 0.189
  16. 2.42
  17. 0.616
  18. 0.06
  19. 1.092
  20. 1.44
  21. 2.208
  22. 15.33
  23. 1.265
  24. 10.32
  25. 0.407
  26. 1.84
  27. 0.884
  28. 1.855
  29. 5.27
  30. 0.342
  31. 0.284
  32. 0.084
  33. 0.714
  34. 17.94
  35. 1.914
  36. 0.567
  37. 0.231
  38. 0.637
  39. 0.407
  40. 0.45

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