← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 647 · 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. 1.46 × 15 =
  2. 2.23 × 15 =
  3. 3.40 × 15 =
  4. 4.11 × 15 =
  5. 5.16 × 15 =
  6. 6.40 × 15 =
  7. 7.46 × 15 =
  8. 8.16 × 15 =
  9. 9.4 × 15 =
  10. 10.50 × 15 =
  11. 11.52 × 15 =
  12. 12.10 × 15 =
  13. 13.35 × 15 =
  14. 14.20 × 15 =
  15. 15.10 × 15 =
  16. 16.26 × 15 =
  17. 17.18 × 15 =
  18. 18.36 × 15 =
  19. 19.7 × 15 =
  20. 20.34 × 15 =
  21. 21.60 × 15 =
  22. 22.15 × 15 =
  23. 23.6 × 15 =
  24. 24.26 × 15 =
  25. 25.27 × 15 =
  26. 26.24 × 15 =
  27. 27.20 × 15 =
  28. 28.4 × 15 =
  29. 29.29 × 15 =
  30. 30.26 × 15 =
  31. 31.49 × 15 =
  32. 32.52 × 15 =
  33. 33.41 × 15 =
  34. 34.60 × 15 =
  35. 35.60 × 15 =
  36. 36.63 × 15 =
  37. 37.30 × 15 =
  38. 38.18 × 15 =
  39. 39.6 × 15 =
  40. 40.64 × 15 =

Answer key

  1. 690
  2. 345
  3. 600
  4. 165
  5. 240
  6. 600
  7. 690
  8. 240
  9. 60
  10. 750
  11. 780
  12. 150
  13. 525
  14. 300
  15. 150
  16. 390
  17. 270
  18. 540
  19. 105
  20. 510
  21. 900
  22. 225
  23. 90
  24. 390
  25. 405
  26. 360
  27. 300
  28. 60
  29. 435
  30. 390
  31. 735
  32. 780
  33. 615
  34. 900
  35. 900
  36. 945
  37. 450
  38. 270
  39. 90
  40. 960

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