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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 481 · 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. 1.0.41 × 1.8 =
  2. 2.5.1 × 0.03 =
  3. 3.0.24 × 2.1 =
  4. 4.0.31 × 2.9 =
  5. 5.0.5 × 0.11 =
  6. 6.0.6 × 2.7 =
  7. 7.0.25 × 1.1 =
  8. 8.1.2 × 1.9 =
  9. 9.2.5 × 0.04 =
  10. 10.0.59 × 1.8 =
  11. 11.0.5 × 0.13 =
  12. 12.5.2 × 0.06 =
  13. 13.0.73 × 1.8 =
  14. 14.0.73 × 2.4 =
  15. 15.2.7 × 2.1 =
  16. 16.5.6 × 3.8 =
  17. 17.5.5 × 0.13 =
  18. 18.0.11 × 2.5 =
  19. 19.6.3 × 3.9 =
  20. 20.3.9 × 0.15 =
  21. 21.0.15 × 0.7 =
  22. 22.2.6 × 0.4 =
  23. 23.0.98 × 2.7 =
  24. 24.0.74 × 2.1 =
  25. 25.0.33 × 2.8 =
  26. 26.0.11 × 3.9 =
  27. 27.0.99 × 2.4 =
  28. 28.4.1 × 0.04 =
  29. 29.5.2 × 0.8 =
  30. 30.1.7 × 3.1 =
  31. 31.6.4 × 0.34 =
  32. 32.0.69 × 0.4 =
  33. 33.0.51 × 1.1 =
  34. 34.6.8 × 1.7 =
  35. 35.0.95 × 0.6 =
  36. 36.0.66 × 1.8 =
  37. 37.7.2 × 0.07 =
  38. 38.0.69 × 3.1 =
  39. 39.4.1 × 0.5 =
  40. 40.6.5 × 3.2 =

Answer key

  1. 0.738
  2. 0.153
  3. 0.504
  4. 0.899
  5. 0.055
  6. 1.62
  7. 0.275
  8. 2.28
  9. 0.1
  10. 1.062
  11. 0.065
  12. 0.312
  13. 1.314
  14. 1.752
  15. 5.67
  16. 21.28
  17. 0.715
  18. 0.275
  19. 24.57
  20. 0.585
  21. 0.105
  22. 1.04
  23. 2.646
  24. 1.554
  25. 0.924
  26. 0.429
  27. 2.376
  28. 0.164
  29. 4.16
  30. 5.27
  31. 2.176
  32. 0.276
  33. 0.561
  34. 11.56
  35. 0.57
  36. 1.188
  37. 0.504
  38. 2.139
  39. 2.05
  40. 20.8

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