← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 88 · 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. 1.4 × 15 =
  2. 2.45 × 15 =
  3. 3.48 × 15 =
  4. 4.14 × 15 =
  5. 5.6 × 15 =
  6. 6.36 × 15 =
  7. 7.59 × 15 =
  8. 8.46 × 15 =
  9. 9.53 × 15 =
  10. 10.32 × 15 =
  11. 11.39 × 15 =
  12. 12.9 × 15 =
  13. 13.60 × 15 =
  14. 14.29 × 15 =
  15. 15.4 × 15 =
  16. 16.12 × 15 =
  17. 17.15 × 15 =
  18. 18.29 × 15 =
  19. 19.27 × 15 =
  20. 20.64 × 15 =
  21. 21.35 × 15 =
  22. 22.36 × 15 =
  23. 23.49 × 15 =
  24. 24.54 × 15 =
  25. 25.16 × 15 =
  26. 26.37 × 15 =
  27. 27.41 × 15 =
  28. 28.35 × 15 =
  29. 29.44 × 15 =
  30. 30.64 × 15 =
  31. 31.19 × 15 =
  32. 32.16 × 15 =
  33. 33.41 × 15 =
  34. 34.44 × 15 =
  35. 35.46 × 15 =
  36. 36.26 × 15 =
  37. 37.46 × 15 =
  38. 38.46 × 15 =
  39. 39.40 × 15 =
  40. 40.33 × 15 =

Answer key

  1. 60
  2. 675
  3. 720
  4. 210
  5. 90
  6. 540
  7. 885
  8. 690
  9. 795
  10. 480
  11. 585
  12. 135
  13. 900
  14. 435
  15. 60
  16. 180
  17. 225
  18. 435
  19. 405
  20. 960
  21. 525
  22. 540
  23. 735
  24. 810
  25. 240
  26. 555
  27. 615
  28. 525
  29. 660
  30. 960
  31. 285
  32. 240
  33. 615
  34. 660
  35. 690
  36. 390
  37. 690
  38. 690
  39. 600
  40. 495

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