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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 960 · 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. 1.7.4 × 0.26 =
  2. 2.9.7 × 0.05 =
  3. 3.0.47 × 1.3 =
  4. 4.0.99 × 1.2 =
  5. 5.8.5 × 0.17 =
  6. 6.2.2 × 0.18 =
  7. 7.3.7 × 0.06 =
  8. 8.0.76 × 3.3 =
  9. 9.0.61 × 0.8 =
  10. 10.2.4 × 0.21 =
  11. 11.6.3 × 0.25 =
  12. 12.9.8 × 0.34 =
  13. 13.0.86 × 1.2 =
  14. 14.0.44 × 1.2 =
  15. 15.2.7 × 0.02 =
  16. 16.4.6 × 2.5 =
  17. 17.5.6 × 0.11 =
  18. 18.0.49 × 1.3 =
  19. 19.0.65 × 2.1 =
  20. 20.2.2 × 0.6 =
  21. 21.0.6 × 0.5 =
  22. 22.8.6 × 3.6 =
  23. 23.7.2 × 0.29 =
  24. 24.0.82 × 3.5 =
  25. 25.7.6 × 3.6 =
  26. 26.6.8 × 2.2 =
  27. 27.0.28 × 3.3 =
  28. 28.5.7 × 3.3 =
  29. 29.0.93 × 3.5 =
  30. 30.0.89 × 3.4 =
  31. 31.9.9 × 1.5 =
  32. 32.0.12 × 3.1 =
  33. 33.2.4 × 0.38 =
  34. 34.0.33 × 0.8 =
  35. 35.4.5 × 2.6 =
  36. 36.2.3 × 3.5 =
  37. 37.9.3 × 0.21 =
  38. 38.0.52 × 1.9 =
  39. 39.6.5 × 0.15 =
  40. 40.9.7 × 0.17 =

Answer key

  1. 1.924
  2. 0.485
  3. 0.611
  4. 1.188
  5. 1.445
  6. 0.396
  7. 0.222
  8. 2.508
  9. 0.488
  10. 0.504
  11. 1.575
  12. 3.332
  13. 1.032
  14. 0.528
  15. 0.054
  16. 11.5
  17. 0.616
  18. 0.637
  19. 1.365
  20. 1.32
  21. 0.3
  22. 30.96
  23. 2.088
  24. 2.87
  25. 27.36
  26. 14.96
  27. 0.924
  28. 18.81
  29. 3.255
  30. 3.026
  31. 14.85
  32. 0.372
  33. 0.912
  34. 0.264
  35. 11.7
  36. 8.05
  37. 1.953
  38. 0.988
  39. 0.975
  40. 1.649

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