← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 110 · 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. 2.58 × 15 =
  3. 3.39 × 15 =
  4. 4.60 × 15 =
  5. 5.23 × 15 =
  6. 6.44 × 15 =
  7. 7.12 × 15 =
  8. 8.61 × 15 =
  9. 9.22 × 15 =
  10. 10.61 × 15 =
  11. 11.34 × 15 =
  12. 12.43 × 15 =
  13. 13.44 × 15 =
  14. 14.18 × 15 =
  15. 15.11 × 15 =
  16. 16.13 × 15 =
  17. 17.54 × 15 =
  18. 18.21 × 15 =
  19. 19.57 × 15 =
  20. 20.6 × 15 =
  21. 21.6 × 15 =
  22. 22.42 × 15 =
  23. 23.26 × 15 =
  24. 24.7 × 15 =
  25. 25.36 × 15 =
  26. 26.29 × 15 =
  27. 27.45 × 15 =
  28. 28.30 × 15 =
  29. 29.58 × 15 =
  30. 30.27 × 15 =
  31. 31.35 × 15 =
  32. 32.57 × 15 =
  33. 33.13 × 15 =
  34. 34.17 × 15 =
  35. 35.45 × 15 =
  36. 36.52 × 15 =
  37. 37.35 × 15 =
  38. 38.24 × 15 =
  39. 39.20 × 15 =
  40. 40.15 × 15 =

Answer key

  1. 495
  2. 870
  3. 585
  4. 900
  5. 345
  6. 660
  7. 180
  8. 915
  9. 330
  10. 915
  11. 510
  12. 645
  13. 660
  14. 270
  15. 165
  16. 195
  17. 810
  18. 315
  19. 855
  20. 90
  21. 90
  22. 630
  23. 390
  24. 105
  25. 540
  26. 435
  27. 675
  28. 450
  29. 870
  30. 405
  31. 525
  32. 855
  33. 195
  34. 255
  35. 675
  36. 780
  37. 525
  38. 360
  39. 300
  40. 225

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