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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 822 · 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. 1.0.13 × 2.6 =
  2. 2.3.6 × 3.6 =
  3. 3.1.7 × 2.7 =
  4. 4.3.7 × 3.3 =
  5. 5.0.21 × 1.9 =
  6. 6.0.46 × 0.6 =
  7. 7.0.37 × 0.9 =
  8. 8.0.63 × 2.6 =
  9. 9.5.9 × 0.33 =
  10. 10.0.16 × 1.6 =
  11. 11.7.7 × 0.6 =
  12. 12.8.6 × 0.14 =
  13. 13.0.87 × 0.3 =
  14. 14.9.4 × 0.5 =
  15. 15.6.6 × 3.3 =
  16. 16.3.8 × 2.5 =
  17. 17.0.67 × 1.6 =
  18. 18.0.19 × 2.6 =
  19. 19.0.95 × 3.9 =
  20. 20.0.27 × 0.9 =
  21. 21.0.71 × 3.6 =
  22. 22.0.95 × 0.7 =
  23. 23.2.4 × 0.02 =
  24. 24.0.67 × 0.8 =
  25. 25.6.8 × 2.6 =
  26. 26.5.7 × 2.9 =
  27. 27.4.1 × 0.36 =
  28. 28.0.6 × 1.8 =
  29. 29.2.8 × 3.7 =
  30. 30.8.9 × 0.33 =
  31. 31.0.19 × 3.3 =
  32. 32.0.61 × 0.3 =
  33. 33.0.3 × 0.3 =
  34. 34.0.14 × 0.2 =
  35. 35.0.5 × 0.32 =
  36. 36.0.68 × 0.8 =
  37. 37.0.63 × 2.3 =
  38. 38.0.13 × 0.7 =
  39. 39.6.3 × 2.8 =
  40. 40.2.3 × 0.07 =

Answer key

  1. 0.338
  2. 12.96
  3. 4.59
  4. 12.21
  5. 0.399
  6. 0.276
  7. 0.333
  8. 1.638
  9. 1.947
  10. 0.256
  11. 4.62
  12. 1.204
  13. 0.261
  14. 4.7
  15. 21.78
  16. 9.5
  17. 1.072
  18. 0.494
  19. 3.705
  20. 0.243
  21. 2.556
  22. 0.665
  23. 0.048
  24. 0.536
  25. 17.68
  26. 16.53
  27. 1.476
  28. 1.08
  29. 10.36
  30. 2.937
  31. 0.627
  32. 0.183
  33. 0.09
  34. 0.028
  35. 0.16
  36. 0.544
  37. 1.449
  38. 0.091
  39. 17.64
  40. 0.161

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