← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 730 · 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. 1.27 × 15 =
  2. 2.14 × 15 =
  3. 3.40 × 15 =
  4. 4.53 × 15 =
  5. 5.36 × 15 =
  6. 6.33 × 15 =
  7. 7.7 × 15 =
  8. 8.11 × 15 =
  9. 9.24 × 15 =
  10. 10.4 × 15 =
  11. 11.11 × 15 =
  12. 12.13 × 15 =
  13. 13.25 × 15 =
  14. 14.5 × 15 =
  15. 15.48 × 15 =
  16. 16.63 × 15 =
  17. 17.38 × 15 =
  18. 18.12 × 15 =
  19. 19.44 × 15 =
  20. 20.11 × 15 =
  21. 21.50 × 15 =
  22. 22.24 × 15 =
  23. 23.23 × 15 =
  24. 24.46 × 15 =
  25. 25.25 × 15 =
  26. 26.8 × 15 =
  27. 27.7 × 15 =
  28. 28.16 × 15 =
  29. 29.27 × 15 =
  30. 30.61 × 15 =
  31. 31.54 × 15 =
  32. 32.24 × 15 =
  33. 33.26 × 15 =
  34. 34.34 × 15 =
  35. 35.32 × 15 =
  36. 36.14 × 15 =
  37. 37.44 × 15 =
  38. 38.19 × 15 =
  39. 39.11 × 15 =
  40. 40.31 × 15 =

Answer key

  1. 405
  2. 210
  3. 600
  4. 795
  5. 540
  6. 495
  7. 105
  8. 165
  9. 360
  10. 60
  11. 165
  12. 195
  13. 375
  14. 75
  15. 720
  16. 945
  17. 570
  18. 180
  19. 660
  20. 165
  21. 750
  22. 360
  23. 345
  24. 690
  25. 375
  26. 120
  27. 105
  28. 240
  29. 405
  30. 915
  31. 810
  32. 360
  33. 390
  34. 510
  35. 480
  36. 210
  37. 660
  38. 285
  39. 165
  40. 465

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