← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 448 · 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. 2.64 × 15 =
  3. 3.64 × 15 =
  4. 4.29 × 15 =
  5. 5.26 × 15 =
  6. 6.19 × 15 =
  7. 7.17 × 15 =
  8. 8.22 × 15 =
  9. 9.33 × 15 =
  10. 10.24 × 15 =
  11. 11.22 × 15 =
  12. 12.19 × 15 =
  13. 13.8 × 15 =
  14. 14.24 × 15 =
  15. 15.63 × 15 =
  16. 16.51 × 15 =
  17. 17.57 × 15 =
  18. 18.55 × 15 =
  19. 19.19 × 15 =
  20. 20.25 × 15 =
  21. 21.39 × 15 =
  22. 22.31 × 15 =
  23. 23.34 × 15 =
  24. 24.28 × 15 =
  25. 25.56 × 15 =
  26. 26.27 × 15 =
  27. 27.6 × 15 =
  28. 28.14 × 15 =
  29. 29.34 × 15 =
  30. 30.46 × 15 =
  31. 31.35 × 15 =
  32. 32.59 × 15 =
  33. 33.59 × 15 =
  34. 34.5 × 15 =
  35. 35.38 × 15 =
  36. 36.10 × 15 =
  37. 37.38 × 15 =
  38. 38.51 × 15 =
  39. 39.30 × 15 =
  40. 40.54 × 15 =

Answer key

  1. 495
  2. 960
  3. 960
  4. 435
  5. 390
  6. 285
  7. 255
  8. 330
  9. 495
  10. 360
  11. 330
  12. 285
  13. 120
  14. 360
  15. 945
  16. 765
  17. 855
  18. 825
  19. 285
  20. 375
  21. 585
  22. 465
  23. 510
  24. 420
  25. 840
  26. 405
  27. 90
  28. 210
  29. 510
  30. 690
  31. 525
  32. 885
  33. 885
  34. 75
  35. 570
  36. 150
  37. 570
  38. 765
  39. 450
  40. 810

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