← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 373 · 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. 1.19 × 15 =
  2. 2.19 × 15 =
  3. 3.48 × 15 =
  4. 4.54 × 15 =
  5. 5.12 × 15 =
  6. 6.48 × 15 =
  7. 7.51 × 15 =
  8. 8.43 × 15 =
  9. 9.20 × 15 =
  10. 10.39 × 15 =
  11. 11.4 × 15 =
  12. 12.22 × 15 =
  13. 13.20 × 15 =
  14. 14.33 × 15 =
  15. 15.58 × 15 =
  16. 16.56 × 15 =
  17. 17.12 × 15 =
  18. 18.30 × 15 =
  19. 19.27 × 15 =
  20. 20.20 × 15 =
  21. 21.50 × 15 =
  22. 22.50 × 15 =
  23. 23.10 × 15 =
  24. 24.45 × 15 =
  25. 25.26 × 15 =
  26. 26.11 × 15 =
  27. 27.5 × 15 =
  28. 28.6 × 15 =
  29. 29.52 × 15 =
  30. 30.31 × 15 =
  31. 31.19 × 15 =
  32. 32.52 × 15 =
  33. 33.20 × 15 =
  34. 34.64 × 15 =
  35. 35.44 × 15 =
  36. 36.48 × 15 =
  37. 37.50 × 15 =
  38. 38.13 × 15 =
  39. 39.45 × 15 =
  40. 40.43 × 15 =

Answer key

  1. 285
  2. 285
  3. 720
  4. 810
  5. 180
  6. 720
  7. 765
  8. 645
  9. 300
  10. 585
  11. 60
  12. 330
  13. 300
  14. 495
  15. 870
  16. 840
  17. 180
  18. 450
  19. 405
  20. 300
  21. 750
  22. 750
  23. 150
  24. 675
  25. 390
  26. 165
  27. 75
  28. 90
  29. 780
  30. 465
  31. 285
  32. 780
  33. 300
  34. 960
  35. 660
  36. 720
  37. 750
  38. 195
  39. 675
  40. 645

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