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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 894 · 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. 1.0.62 × 1.2 =
  2. 2.1.8 × 2.8 =
  3. 3.0.27 × 1.3 =
  4. 4.0.22 × 1.8 =
  5. 5.0.37 × 3.9 =
  6. 6.0.05 × 2.5 =
  7. 7.3.8 × 0.36 =
  8. 8.0.57 × 0.4 =
  9. 9.0.92 × 0.6 =
  10. 10.0.33 × 1.7 =
  11. 11.5.3 × 3.8 =
  12. 12.1.7 × 0.03 =
  13. 13.4.2 × 2.7 =
  14. 14.1.9 × 3.3 =
  15. 15.3.2 × 2.5 =
  16. 16.0.54 × 3.1 =
  17. 17.8.6 × 0.7 =
  18. 18.0.91 × 1.4 =
  19. 19.0.73 × 2.3 =
  20. 20.0.96 × 3.5 =
  21. 21.0.12 × 0.2 =
  22. 22.0.77 × 2.4 =
  23. 23.0.92 × 1.1 =
  24. 24.0.61 × 2.7 =
  25. 25.6.6 × 3.4 =
  26. 26.0.41 × 2.7 =
  27. 27.0.93 × 0.9 =
  28. 28.0.15 × 0.5 =
  29. 29.1.5 × 1.5 =
  30. 30.4.3 × 0.36 =
  31. 31.0.14 × 3.9 =
  32. 32.0.28 × 1.5 =
  33. 33.0.07 × 1.4 =
  34. 34.8.9 × 0.18 =
  35. 35.0.21 × 1.7 =
  36. 36.0.72 × 3.1 =
  37. 37.0.26 × 0.2 =
  38. 38.5.3 × 0.17 =
  39. 39.0.4 × 3.1 =
  40. 40.0.5 × 0.14 =

Answer key

  1. 0.744
  2. 5.04
  3. 0.351
  4. 0.396
  5. 1.443
  6. 0.125
  7. 1.368
  8. 0.228
  9. 0.552
  10. 0.561
  11. 20.14
  12. 0.051
  13. 11.34
  14. 6.27
  15. 8
  16. 1.674
  17. 6.02
  18. 1.274
  19. 1.679
  20. 3.36
  21. 0.024
  22. 1.848
  23. 1.012
  24. 1.647
  25. 22.44
  26. 1.107
  27. 0.837
  28. 0.075
  29. 2.25
  30. 1.548
  31. 0.546
  32. 0.42
  33. 0.098
  34. 1.602
  35. 0.357
  36. 2.232
  37. 0.052
  38. 0.901
  39. 1.24
  40. 0.07

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