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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 264 · 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. 1.0.69 × 1.1 =
  2. 2.8.3 × 0.29 =
  3. 3.0.02 × 2.1 =
  4. 4.0.68 × 0.9 =
  5. 5.0.26 × 2.2 =
  6. 6.6.9 × 0.5 =
  7. 7.0.07 × 0.9 =
  8. 8.5.6 × 0.02 =
  9. 9.0.71 × 0.9 =
  10. 10.0.65 × 2.1 =
  11. 11.4.7 × 0.28 =
  12. 12.2.6 × 3.5 =
  13. 13.0.81 × 0.4 =
  14. 14.8.9 × 0.21 =
  15. 15.1.1 × 0.7 =
  16. 16.0.96 × 2.3 =
  17. 17.3.1 × 0.4 =
  18. 18.3.8 × 1.7 =
  19. 19.0.07 × 1.5 =
  20. 20.3.1 × 0.4 =
  21. 21.9.8 × 0.7 =
  22. 22.6.4 × 3.6 =
  23. 23.1.4 × 0.9 =
  24. 24.1.2 × 0.27 =
  25. 25.0.78 × 0.6 =
  26. 26.1.8 × 0.21 =
  27. 27.0.61 × 0.2 =
  28. 28.0.21 × 3.1 =
  29. 29.0.9 × 0.29 =
  30. 30.6.5 × 3.2 =
  31. 31.4.1 × 1.1 =
  32. 32.0.98 × 1.7 =
  33. 33.3.8 × 0.37 =
  34. 34.9.4 × 1.1 =
  35. 35.9.5 × 0.03 =
  36. 36.0.09 × 2.4 =
  37. 37.0.71 × 3.7 =
  38. 38.9.9 × 0.28 =
  39. 39.0.13 × 2.5 =
  40. 40.6.1 × 0.7 =

Answer key

  1. 0.759
  2. 2.407
  3. 0.042
  4. 0.612
  5. 0.572
  6. 3.45
  7. 0.063
  8. 0.112
  9. 0.639
  10. 1.365
  11. 1.316
  12. 9.1
  13. 0.324
  14. 1.869
  15. 0.77
  16. 2.208
  17. 1.24
  18. 6.46
  19. 0.105
  20. 1.24
  21. 6.86
  22. 23.04
  23. 1.26
  24. 0.324
  25. 0.468
  26. 0.378
  27. 0.122
  28. 0.651
  29. 0.261
  30. 20.8
  31. 4.51
  32. 1.666
  33. 1.406
  34. 10.34
  35. 0.285
  36. 0.216
  37. 2.627
  38. 2.772
  39. 0.325
  40. 4.27

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