← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 867 · 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. 1.47 × 15 =
  2. 2.33 × 15 =
  3. 3.20 × 15 =
  4. 4.56 × 15 =
  5. 5.12 × 15 =
  6. 6.60 × 15 =
  7. 7.25 × 15 =
  8. 8.25 × 15 =
  9. 9.8 × 15 =
  10. 10.59 × 15 =
  11. 11.8 × 15 =
  12. 12.38 × 15 =
  13. 13.55 × 15 =
  14. 14.11 × 15 =
  15. 15.42 × 15 =
  16. 16.13 × 15 =
  17. 17.5 × 15 =
  18. 18.29 × 15 =
  19. 19.34 × 15 =
  20. 20.19 × 15 =
  21. 21.28 × 15 =
  22. 22.19 × 15 =
  23. 23.51 × 15 =
  24. 24.27 × 15 =
  25. 25.24 × 15 =
  26. 26.36 × 15 =
  27. 27.50 × 15 =
  28. 28.32 × 15 =
  29. 29.28 × 15 =
  30. 30.26 × 15 =
  31. 31.40 × 15 =
  32. 32.10 × 15 =
  33. 33.60 × 15 =
  34. 34.15 × 15 =
  35. 35.50 × 15 =
  36. 36.43 × 15 =
  37. 37.23 × 15 =
  38. 38.44 × 15 =
  39. 39.13 × 15 =
  40. 40.16 × 15 =

Answer key

  1. 705
  2. 495
  3. 300
  4. 840
  5. 180
  6. 900
  7. 375
  8. 375
  9. 120
  10. 885
  11. 120
  12. 570
  13. 825
  14. 165
  15. 630
  16. 195
  17. 75
  18. 435
  19. 510
  20. 285
  21. 420
  22. 285
  23. 765
  24. 405
  25. 360
  26. 540
  27. 750
  28. 480
  29. 420
  30. 390
  31. 600
  32. 150
  33. 900
  34. 225
  35. 750
  36. 645
  37. 345
  38. 660
  39. 195
  40. 240

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