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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 844 · 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. 1.0.37 × 1.5 =
  2. 2.0.5 × 1.2 =
  3. 3.6.9 × 0.6 =
  4. 4.0.18 × 3.9 =
  5. 5.6.8 × 2.1 =
  6. 6.7.8 × 2.1 =
  7. 7.4.8 × 0.02 =
  8. 8.0.25 × 3.5 =
  9. 9.4.9 × 0.31 =
  10. 10.0.35 × 0.5 =
  11. 11.5.4 × 0.6 =
  12. 12.2.7 × 2.2 =
  13. 13.6.4 × 0.26 =
  14. 14.2.1 × 2.3 =
  15. 15.1.5 × 0.02 =
  16. 16.3.4 × 0.12 =
  17. 17.6.1 × 0.21 =
  18. 18.7.4 × 0.11 =
  19. 19.0.66 × 0.7 =
  20. 20.5.8 × 0.8 =
  21. 21.5.2 × 2.3 =
  22. 22.0.49 × 3.4 =
  23. 23.2.1 × 2.7 =
  24. 24.0.71 × 0.9 =
  25. 25.0.92 × 0.7 =
  26. 26.2.5 × 0.22 =
  27. 27.0.11 × 1.6 =
  28. 28.9.1 × 0.32 =
  29. 29.0.68 × 3.4 =
  30. 30.5.2 × 1.7 =
  31. 31.0.31 × 1.1 =
  32. 32.0.25 × 3.4 =
  33. 33.0.7 × 0.35 =
  34. 34.7.2 × 0.16 =
  35. 35.0.63 × 2.4 =
  36. 36.0.86 × 0.2 =
  37. 37.8.1 × 3.6 =
  38. 38.0.18 × 3.9 =
  39. 39.5.1 × 2.1 =
  40. 40.0.96 × 2.8 =

Answer key

  1. 0.555
  2. 0.6
  3. 4.14
  4. 0.702
  5. 14.28
  6. 16.38
  7. 0.096
  8. 0.875
  9. 1.519
  10. 0.175
  11. 3.24
  12. 5.94
  13. 1.664
  14. 4.83
  15. 0.03
  16. 0.408
  17. 1.281
  18. 0.814
  19. 0.462
  20. 4.64
  21. 11.96
  22. 1.666
  23. 5.67
  24. 0.639
  25. 0.644
  26. 0.55
  27. 0.176
  28. 2.912
  29. 2.312
  30. 8.84
  31. 0.341
  32. 0.85
  33. 0.245
  34. 1.152
  35. 1.512
  36. 0.172
  37. 29.16
  38. 0.702
  39. 10.71
  40. 2.688

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