← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 591 · 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. 1.38 × 15 =
  2. 2.63 × 15 =
  3. 3.16 × 15 =
  4. 4.8 × 15 =
  5. 5.57 × 15 =
  6. 6.19 × 15 =
  7. 7.10 × 15 =
  8. 8.57 × 15 =
  9. 9.49 × 15 =
  10. 10.36 × 15 =
  11. 11.12 × 15 =
  12. 12.45 × 15 =
  13. 13.19 × 15 =
  14. 14.15 × 15 =
  15. 15.38 × 15 =
  16. 16.23 × 15 =
  17. 17.57 × 15 =
  18. 18.26 × 15 =
  19. 19.28 × 15 =
  20. 20.61 × 15 =
  21. 21.21 × 15 =
  22. 22.11 × 15 =
  23. 23.25 × 15 =
  24. 24.24 × 15 =
  25. 25.29 × 15 =
  26. 26.11 × 15 =
  27. 27.15 × 15 =
  28. 28.42 × 15 =
  29. 29.5 × 15 =
  30. 30.29 × 15 =
  31. 31.25 × 15 =
  32. 32.57 × 15 =
  33. 33.52 × 15 =
  34. 34.14 × 15 =
  35. 35.5 × 15 =
  36. 36.59 × 15 =
  37. 37.6 × 15 =
  38. 38.16 × 15 =
  39. 39.32 × 15 =
  40. 40.27 × 15 =

Answer key

  1. 570
  2. 945
  3. 240
  4. 120
  5. 855
  6. 285
  7. 150
  8. 855
  9. 735
  10. 540
  11. 180
  12. 675
  13. 285
  14. 225
  15. 570
  16. 345
  17. 855
  18. 390
  19. 420
  20. 915
  21. 315
  22. 165
  23. 375
  24. 360
  25. 435
  26. 165
  27. 225
  28. 630
  29. 75
  30. 435
  31. 375
  32. 855
  33. 780
  34. 210
  35. 75
  36. 885
  37. 90
  38. 240
  39. 480
  40. 405

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths