← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 120 · 40 questions
TalentJR

The fast method (Ten and half again): Multiply by 10: 46 → 460. Halve that answer: half of 460 is 230. Add the two: 460 + 230 = 690.

NameDateTime takenScore ___ / 40
  1. 1.50 × 15 =
  2. 2.62 × 15 =
  3. 3.36 × 15 =
  4. 4.35 × 15 =
  5. 5.11 × 15 =
  6. 6.7 × 15 =
  7. 7.31 × 15 =
  8. 8.55 × 15 =
  9. 9.11 × 15 =
  10. 10.28 × 15 =
  11. 11.27 × 15 =
  12. 12.63 × 15 =
  13. 13.4 × 15 =
  14. 14.25 × 15 =
  15. 15.18 × 15 =
  16. 16.30 × 15 =
  17. 17.5 × 15 =
  18. 18.28 × 15 =
  19. 19.23 × 15 =
  20. 20.36 × 15 =
  21. 21.21 × 15 =
  22. 22.37 × 15 =
  23. 23.13 × 15 =
  24. 24.31 × 15 =
  25. 25.55 × 15 =
  26. 26.43 × 15 =
  27. 27.13 × 15 =
  28. 28.28 × 15 =
  29. 29.16 × 15 =
  30. 30.31 × 15 =
  31. 31.19 × 15 =
  32. 32.51 × 15 =
  33. 33.27 × 15 =
  34. 34.41 × 15 =
  35. 35.24 × 15 =
  36. 36.35 × 15 =
  37. 37.43 × 15 =
  38. 38.48 × 15 =
  39. 39.31 × 15 =
  40. 40.27 × 15 =

Answer key

  1. 750
  2. 930
  3. 540
  4. 525
  5. 165
  6. 105
  7. 465
  8. 825
  9. 165
  10. 420
  11. 405
  12. 945
  13. 60
  14. 375
  15. 270
  16. 450
  17. 75
  18. 420
  19. 345
  20. 540
  21. 315
  22. 555
  23. 195
  24. 465
  25. 825
  26. 645
  27. 195
  28. 420
  29. 240
  30. 465
  31. 285
  32. 765
  33. 405
  34. 615
  35. 360
  36. 525
  37. 645
  38. 720
  39. 465
  40. 405

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