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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 214 · 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. 1.0.19 × 1.2 =
  2. 2.0.33 × 3.4 =
  3. 3.8.1 × 2.8 =
  4. 4.0.21 × 0.2 =
  5. 5.0.02 × 0.4 =
  6. 6.4.3 × 2.6 =
  7. 7.4.5 × 2.9 =
  8. 8.0.99 × 2.5 =
  9. 9.5.5 × 0.24 =
  10. 10.0.06 × 3.1 =
  11. 11.3.3 × 1.6 =
  12. 12.2.9 × 0.35 =
  13. 13.0.68 × 2.4 =
  14. 14.1.6 × 0.6 =
  15. 15.6.8 × 3.1 =
  16. 16.0.81 × 3.4 =
  17. 17.0.32 × 2.3 =
  18. 18.0.16 × 0.3 =
  19. 19.0.87 × 3.4 =
  20. 20.8.8 × 3.2 =
  21. 21.6.1 × 2.9 =
  22. 22.9.6 × 0.5 =
  23. 23.9.5 × 1.9 =
  24. 24.0.73 × 2.7 =
  25. 25.0.04 × 0.9 =
  26. 26.3.1 × 0.21 =
  27. 27.0.81 × 1.5 =
  28. 28.0.62 × 1.2 =
  29. 29.2.1 × 1.1 =
  30. 30.9.3 × 3.6 =
  31. 31.0.76 × 1.6 =
  32. 32.2.7 × 2.7 =
  33. 33.0.34 × 1.4 =
  34. 34.0.64 × 1.2 =
  35. 35.0.21 × 1.7 =
  36. 36.1.5 × 1.1 =
  37. 37.0.69 × 3.5 =
  38. 38.0.74 × 2.1 =
  39. 39.0.2 × 0.35 =
  40. 40.7.1 × 1.6 =

Answer key

  1. 0.228
  2. 1.122
  3. 22.68
  4. 0.042
  5. 0.008
  6. 11.18
  7. 13.05
  8. 2.475
  9. 1.32
  10. 0.186
  11. 5.28
  12. 1.015
  13. 1.632
  14. 0.96
  15. 21.08
  16. 2.754
  17. 0.736
  18. 0.048
  19. 2.958
  20. 28.16
  21. 17.69
  22. 4.8
  23. 18.05
  24. 1.971
  25. 0.036
  26. 0.651
  27. 1.215
  28. 0.744
  29. 2.31
  30. 33.48
  31. 1.216
  32. 7.29
  33. 0.476
  34. 0.768
  35. 0.357
  36. 1.65
  37. 2.415
  38. 1.554
  39. 0.07
  40. 11.36

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