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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 926 · 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. 1.0.72 × 1.4 =
  2. 2.0.72 × 3.4 =
  3. 3.0.83 × 3.6 =
  4. 4.7.4 × 2.3 =
  5. 5.6.1 × 1.2 =
  6. 6.7.3 × 0.12 =
  7. 7.0.09 × 1.5 =
  8. 8.0.37 × 3.1 =
  9. 9.0.23 × 2.4 =
  10. 10.0.11 × 3.1 =
  11. 11.4.3 × 3.4 =
  12. 12.1.1 × 0.34 =
  13. 13.0.6 × 1.7 =
  14. 14.0.08 × 2.8 =
  15. 15.0.26 × 2.3 =
  16. 16.8.3 × 3.2 =
  17. 17.8.7 × 0.4 =
  18. 18.0.07 × 3.4 =
  19. 19.0.21 × 2.7 =
  20. 20.0.16 × 1.2 =
  21. 21.0.62 × 3.2 =
  22. 22.0.5 × 1.3 =
  23. 23.0.39 × 1.2 =
  24. 24.3.6 × 1.6 =
  25. 25.1.6 × 2.8 =
  26. 26.3.1 × 0.33 =
  27. 27.4.9 × 3.6 =
  28. 28.8.1 × 1.8 =
  29. 29.0.8 × 3.8 =
  30. 30.5.8 × 0.31 =
  31. 31.4.4 × 0.9 =
  32. 32.0.56 × 2.2 =
  33. 33.0.57 × 0.4 =
  34. 34.6.9 × 0.21 =
  35. 35.7.1 × 0.03 =
  36. 36.9.7 × 2.7 =
  37. 37.5.7 × 0.6 =
  38. 38.0.41 × 2.4 =
  39. 39.0.35 × 0.6 =
  40. 40.0.27 × 0.7 =

Answer key

  1. 1.008
  2. 2.448
  3. 2.988
  4. 17.02
  5. 7.32
  6. 0.876
  7. 0.135
  8. 1.147
  9. 0.552
  10. 0.341
  11. 14.62
  12. 0.374
  13. 1.02
  14. 0.224
  15. 0.598
  16. 26.56
  17. 3.48
  18. 0.238
  19. 0.567
  20. 0.192
  21. 1.984
  22. 0.65
  23. 0.468
  24. 5.76
  25. 4.48
  26. 1.023
  27. 17.64
  28. 14.58
  29. 3.04
  30. 1.798
  31. 3.96
  32. 1.232
  33. 0.228
  34. 1.449
  35. 0.213
  36. 26.19
  37. 3.42
  38. 0.984
  39. 0.21
  40. 0.189

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