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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 911 · 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. 1.0.79 × 2.6 =
  2. 2.0.93 × 0.4 =
  3. 3.8.2 × 0.12 =
  4. 4.3.8 × 0.04 =
  5. 5.6.3 × 3.6 =
  6. 6.0.98 × 1.5 =
  7. 7.0.12 × 2.9 =
  8. 8.4.5 × 3.3 =
  9. 9.0.56 × 2.3 =
  10. 10.6.3 × 1.2 =
  11. 11.0.15 × 1.7 =
  12. 12.4.9 × 1.6 =
  13. 13.7.1 × 3.1 =
  14. 14.1.1 × 0.34 =
  15. 15.5.6 × 0.05 =
  16. 16.6.2 × 0.03 =
  17. 17.6.3 × 0.2 =
  18. 18.0.11 × 1.8 =
  19. 19.0.08 × 2.7 =
  20. 20.1.3 × 0.22 =
  21. 21.2.5 × 0.07 =
  22. 22.0.77 × 1.1 =
  23. 23.0.61 × 2.1 =
  24. 24.1.9 × 0.11 =
  25. 25.0.06 × 3.4 =
  26. 26.2.7 × 0.05 =
  27. 27.8.1 × 1.7 =
  28. 28.8.8 × 0.03 =
  29. 29.0.43 × 3.1 =
  30. 30.0.61 × 0.6 =
  31. 31.6.7 × 0.9 =
  32. 32.1.2 × 1.3 =
  33. 33.0.92 × 1.6 =
  34. 34.0.92 × 2.7 =
  35. 35.1.1 × 0.03 =
  36. 36.0.91 × 2.1 =
  37. 37.0.79 × 1.7 =
  38. 38.0.89 × 0.6 =
  39. 39.1.3 × 0.37 =
  40. 40.7.2 × 0.3 =

Answer key

  1. 2.054
  2. 0.372
  3. 0.984
  4. 0.152
  5. 22.68
  6. 1.47
  7. 0.348
  8. 14.85
  9. 1.288
  10. 7.56
  11. 0.255
  12. 7.84
  13. 22.01
  14. 0.374
  15. 0.28
  16. 0.186
  17. 1.26
  18. 0.198
  19. 0.216
  20. 0.286
  21. 0.175
  22. 0.847
  23. 1.281
  24. 0.209
  25. 0.204
  26. 0.135
  27. 13.77
  28. 0.264
  29. 1.333
  30. 0.366
  31. 6.03
  32. 1.56
  33. 1.472
  34. 2.484
  35. 0.033
  36. 1.911
  37. 1.343
  38. 0.534
  39. 0.481
  40. 2.16

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