← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 948 · 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. 1.35 × 15 =
  2. 2.30 × 15 =
  3. 3.57 × 15 =
  4. 4.28 × 15 =
  5. 5.49 × 15 =
  6. 6.57 × 15 =
  7. 7.19 × 15 =
  8. 8.29 × 15 =
  9. 9.19 × 15 =
  10. 10.16 × 15 =
  11. 11.58 × 15 =
  12. 12.25 × 15 =
  13. 13.18 × 15 =
  14. 14.55 × 15 =
  15. 15.33 × 15 =
  16. 16.61 × 15 =
  17. 17.12 × 15 =
  18. 18.17 × 15 =
  19. 19.17 × 15 =
  20. 20.21 × 15 =
  21. 21.27 × 15 =
  22. 22.44 × 15 =
  23. 23.61 × 15 =
  24. 24.4 × 15 =
  25. 25.34 × 15 =
  26. 26.17 × 15 =
  27. 27.47 × 15 =
  28. 28.46 × 15 =
  29. 29.37 × 15 =
  30. 30.7 × 15 =
  31. 31.4 × 15 =
  32. 32.12 × 15 =
  33. 33.29 × 15 =
  34. 34.33 × 15 =
  35. 35.45 × 15 =
  36. 36.36 × 15 =
  37. 37.59 × 15 =
  38. 38.14 × 15 =
  39. 39.14 × 15 =
  40. 40.11 × 15 =

Answer key

  1. 525
  2. 450
  3. 855
  4. 420
  5. 735
  6. 855
  7. 285
  8. 435
  9. 285
  10. 240
  11. 870
  12. 375
  13. 270
  14. 825
  15. 495
  16. 915
  17. 180
  18. 255
  19. 255
  20. 315
  21. 405
  22. 660
  23. 915
  24. 60
  25. 510
  26. 255
  27. 705
  28. 690
  29. 555
  30. 105
  31. 60
  32. 180
  33. 435
  34. 495
  35. 675
  36. 540
  37. 885
  38. 210
  39. 210
  40. 165

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