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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 975 · 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. 2.0.75 × 2.5 =
  3. 3.0.4 × 3.6 =
  4. 4.8.6 × 0.02 =
  5. 5.0.18 × 2.8 =
  6. 6.7.4 × 0.17 =
  7. 7.0.14 × 2.8 =
  8. 8.0.43 × 1.4 =
  9. 9.8.8 × 0.17 =
  10. 10.7.3 × 0.14 =
  11. 11.0.52 × 3.7 =
  12. 12.4.6 × 0.13 =
  13. 13.0.68 × 2.5 =
  14. 14.1.8 × 0.13 =
  15. 15.0.49 × 3.2 =
  16. 16.3.6 × 0.11 =
  17. 17.0.63 × 2.6 =
  18. 18.0.27 × 2.1 =
  19. 19.0.18 × 2.3 =
  20. 20.5.3 × 3.6 =
  21. 21.0.06 × 1.8 =
  22. 22.0.17 × 2.5 =
  23. 23.3.6 × 0.9 =
  24. 24.0.67 × 0.5 =
  25. 25.0.11 × 0.6 =
  26. 26.0.2 × 2.8 =
  27. 27.0.37 × 2.2 =
  28. 28.0.13 × 2.4 =
  29. 29.0.51 × 0.5 =
  30. 30.0.04 × 0.4 =
  31. 31.0.27 × 0.5 =
  32. 32.3.1 × 0.18 =
  33. 33.5.2 × 0.31 =
  34. 34.5.9 × 0.21 =
  35. 35.6.9 × 0.21 =
  36. 36.0.13 × 1.9 =
  37. 37.0.92 × 2.3 =
  38. 38.6.1 × 0.21 =
  39. 39.0.7 × 0.32 =
  40. 40.0.51 × 1.1 =

Answer key

  1. 0.744
  2. 1.875
  3. 1.44
  4. 0.172
  5. 0.504
  6. 1.258
  7. 0.392
  8. 0.602
  9. 1.496
  10. 1.022
  11. 1.924
  12. 0.598
  13. 1.7
  14. 0.234
  15. 1.568
  16. 0.396
  17. 1.638
  18. 0.567
  19. 0.414
  20. 19.08
  21. 0.108
  22. 0.425
  23. 3.24
  24. 0.335
  25. 0.066
  26. 0.56
  27. 0.814
  28. 0.312
  29. 0.255
  30. 0.016
  31. 0.135
  32. 0.558
  33. 1.612
  34. 1.239
  35. 1.449
  36. 0.247
  37. 2.116
  38. 1.281
  39. 0.224
  40. 0.561

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