← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 495 · 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. 1.33 × 15 =
  2. 2.24 × 15 =
  3. 3.14 × 15 =
  4. 4.62 × 15 =
  5. 5.31 × 15 =
  6. 6.12 × 15 =
  7. 7.34 × 15 =
  8. 8.64 × 15 =
  9. 9.18 × 15 =
  10. 10.46 × 15 =
  11. 11.7 × 15 =
  12. 12.6 × 15 =
  13. 13.30 × 15 =
  14. 14.33 × 15 =
  15. 15.37 × 15 =
  16. 16.54 × 15 =
  17. 17.24 × 15 =
  18. 18.19 × 15 =
  19. 19.18 × 15 =
  20. 20.61 × 15 =
  21. 21.64 × 15 =
  22. 22.64 × 15 =
  23. 23.59 × 15 =
  24. 24.44 × 15 =
  25. 25.4 × 15 =
  26. 26.21 × 15 =
  27. 27.20 × 15 =
  28. 28.64 × 15 =
  29. 29.19 × 15 =
  30. 30.38 × 15 =
  31. 31.54 × 15 =
  32. 32.50 × 15 =
  33. 33.49 × 15 =
  34. 34.51 × 15 =
  35. 35.22 × 15 =
  36. 36.14 × 15 =
  37. 37.55 × 15 =
  38. 38.25 × 15 =
  39. 39.59 × 15 =
  40. 40.64 × 15 =

Answer key

  1. 495
  2. 360
  3. 210
  4. 930
  5. 465
  6. 180
  7. 510
  8. 960
  9. 270
  10. 690
  11. 105
  12. 90
  13. 450
  14. 495
  15. 555
  16. 810
  17. 360
  18. 285
  19. 270
  20. 915
  21. 960
  22. 960
  23. 885
  24. 660
  25. 60
  26. 315
  27. 300
  28. 960
  29. 285
  30. 570
  31. 810
  32. 750
  33. 735
  34. 765
  35. 330
  36. 210
  37. 825
  38. 375
  39. 885
  40. 960

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