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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 941 · 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. 1.2.9 × 0.27 =
  2. 2.1.6 × 0.11 =
  3. 3.0.16 × 3.9 =
  4. 4.0.07 × 3.1 =
  5. 5.2.7 × 0.08 =
  6. 6.0.96 × 0.2 =
  7. 7.4.2 × 3.5 =
  8. 8.0.77 × 2.7 =
  9. 9.0.06 × 3.1 =
  10. 10.0.26 × 2.2 =
  11. 11.0.51 × 3.7 =
  12. 12.1.9 × 0.05 =
  13. 13.0.41 × 2.1 =
  14. 14.9.7 × 1.1 =
  15. 15.0.36 × 2.2 =
  16. 16.0.74 × 2.1 =
  17. 17.0.02 × 3.1 =
  18. 18.3.8 × 2.4 =
  19. 19.2.1 × 0.4 =
  20. 20.8.4 × 3.3 =
  21. 21.0.34 × 0.8 =
  22. 22.0.06 × 3.4 =
  23. 23.7.1 × 2.9 =
  24. 24.4.3 × 0.04 =
  25. 25.2.9 × 0.12 =
  26. 26.0.09 × 1.6 =
  27. 27.0.78 × 2.1 =
  28. 28.7.8 × 0.28 =
  29. 29.7.8 × 3.4 =
  30. 30.0.6 × 0.6 =
  31. 31.9.1 × 0.36 =
  32. 32.6.8 × 1.1 =
  33. 33.0.11 × 0.4 =
  34. 34.4.1 × 1.4 =
  35. 35.0.44 × 3.9 =
  36. 36.2.3 × 2.7 =
  37. 37.4.1 × 0.11 =
  38. 38.0.72 × 2.8 =
  39. 39.9.7 × 0.22 =
  40. 40.0.22 × 0.7 =

Answer key

  1. 0.783
  2. 0.176
  3. 0.624
  4. 0.217
  5. 0.216
  6. 0.192
  7. 14.7
  8. 2.079
  9. 0.186
  10. 0.572
  11. 1.887
  12. 0.095
  13. 0.861
  14. 10.67
  15. 0.792
  16. 1.554
  17. 0.062
  18. 9.12
  19. 0.84
  20. 27.72
  21. 0.272
  22. 0.204
  23. 20.59
  24. 0.172
  25. 0.348
  26. 0.144
  27. 1.638
  28. 2.184
  29. 26.52
  30. 0.36
  31. 3.276
  32. 7.48
  33. 0.044
  34. 5.74
  35. 1.716
  36. 6.21
  37. 0.451
  38. 2.016
  39. 2.134
  40. 0.154

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