← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 625 · 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. 1.44 × 15 =
  2. 2.63 × 15 =
  3. 3.64 × 15 =
  4. 4.61 × 15 =
  5. 5.25 × 15 =
  6. 6.59 × 15 =
  7. 7.34 × 15 =
  8. 8.56 × 15 =
  9. 9.64 × 15 =
  10. 10.35 × 15 =
  11. 11.52 × 15 =
  12. 12.38 × 15 =
  13. 13.32 × 15 =
  14. 14.10 × 15 =
  15. 15.22 × 15 =
  16. 16.48 × 15 =
  17. 17.22 × 15 =
  18. 18.8 × 15 =
  19. 19.28 × 15 =
  20. 20.48 × 15 =
  21. 21.49 × 15 =
  22. 22.4 × 15 =
  23. 23.32 × 15 =
  24. 24.60 × 15 =
  25. 25.38 × 15 =
  26. 26.7 × 15 =
  27. 27.27 × 15 =
  28. 28.8 × 15 =
  29. 29.9 × 15 =
  30. 30.11 × 15 =
  31. 31.5 × 15 =
  32. 32.4 × 15 =
  33. 33.55 × 15 =
  34. 34.27 × 15 =
  35. 35.27 × 15 =
  36. 36.11 × 15 =
  37. 37.60 × 15 =
  38. 38.8 × 15 =
  39. 39.36 × 15 =
  40. 40.44 × 15 =

Answer key

  1. 660
  2. 945
  3. 960
  4. 915
  5. 375
  6. 885
  7. 510
  8. 840
  9. 960
  10. 525
  11. 780
  12. 570
  13. 480
  14. 150
  15. 330
  16. 720
  17. 330
  18. 120
  19. 420
  20. 720
  21. 735
  22. 60
  23. 480
  24. 900
  25. 570
  26. 105
  27. 405
  28. 120
  29. 135
  30. 165
  31. 75
  32. 60
  33. 825
  34. 405
  35. 405
  36. 165
  37. 900
  38. 120
  39. 540
  40. 660

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