← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 167 · 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. 1.51 × 15 =
  2. 2.58 × 15 =
  3. 3.46 × 15 =
  4. 4.57 × 15 =
  5. 5.20 × 15 =
  6. 6.12 × 15 =
  7. 7.16 × 15 =
  8. 8.39 × 15 =
  9. 9.20 × 15 =
  10. 10.25 × 15 =
  11. 11.59 × 15 =
  12. 12.46 × 15 =
  13. 13.61 × 15 =
  14. 14.19 × 15 =
  15. 15.37 × 15 =
  16. 16.44 × 15 =
  17. 17.60 × 15 =
  18. 18.22 × 15 =
  19. 19.63 × 15 =
  20. 20.63 × 15 =
  21. 21.11 × 15 =
  22. 22.30 × 15 =
  23. 23.17 × 15 =
  24. 24.37 × 15 =
  25. 25.39 × 15 =
  26. 26.12 × 15 =
  27. 27.27 × 15 =
  28. 28.60 × 15 =
  29. 29.16 × 15 =
  30. 30.27 × 15 =
  31. 31.37 × 15 =
  32. 32.56 × 15 =
  33. 33.42 × 15 =
  34. 34.24 × 15 =
  35. 35.40 × 15 =
  36. 36.31 × 15 =
  37. 37.43 × 15 =
  38. 38.13 × 15 =
  39. 39.15 × 15 =
  40. 40.19 × 15 =

Answer key

  1. 765
  2. 870
  3. 690
  4. 855
  5. 300
  6. 180
  7. 240
  8. 585
  9. 300
  10. 375
  11. 885
  12. 690
  13. 915
  14. 285
  15. 555
  16. 660
  17. 900
  18. 330
  19. 945
  20. 945
  21. 165
  22. 450
  23. 255
  24. 555
  25. 585
  26. 180
  27. 405
  28. 900
  29. 240
  30. 405
  31. 555
  32. 840
  33. 630
  34. 360
  35. 600
  36. 465
  37. 645
  38. 195
  39. 225
  40. 285

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