← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 384 · 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. 1.11 × 15 =
  2. 2.56 × 15 =
  3. 3.15 × 15 =
  4. 4.64 × 15 =
  5. 5.28 × 15 =
  6. 6.50 × 15 =
  7. 7.45 × 15 =
  8. 8.62 × 15 =
  9. 9.32 × 15 =
  10. 10.48 × 15 =
  11. 11.34 × 15 =
  12. 12.20 × 15 =
  13. 13.9 × 15 =
  14. 14.64 × 15 =
  15. 15.4 × 15 =
  16. 16.7 × 15 =
  17. 17.10 × 15 =
  18. 18.53 × 15 =
  19. 19.28 × 15 =
  20. 20.63 × 15 =
  21. 21.28 × 15 =
  22. 22.30 × 15 =
  23. 23.42 × 15 =
  24. 24.37 × 15 =
  25. 25.40 × 15 =
  26. 26.45 × 15 =
  27. 27.27 × 15 =
  28. 28.9 × 15 =
  29. 29.36 × 15 =
  30. 30.27 × 15 =
  31. 31.20 × 15 =
  32. 32.15 × 15 =
  33. 33.62 × 15 =
  34. 34.6 × 15 =
  35. 35.49 × 15 =
  36. 36.5 × 15 =
  37. 37.6 × 15 =
  38. 38.44 × 15 =
  39. 39.20 × 15 =
  40. 40.30 × 15 =

Answer key

  1. 165
  2. 840
  3. 225
  4. 960
  5. 420
  6. 750
  7. 675
  8. 930
  9. 480
  10. 720
  11. 510
  12. 300
  13. 135
  14. 960
  15. 60
  16. 105
  17. 150
  18. 795
  19. 420
  20. 945
  21. 420
  22. 450
  23. 630
  24. 555
  25. 600
  26. 675
  27. 405
  28. 135
  29. 540
  30. 405
  31. 300
  32. 225
  33. 930
  34. 90
  35. 735
  36. 75
  37. 90
  38. 660
  39. 300
  40. 450

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