← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 265 · 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. 1.7 × 15 =
  2. 2.7 × 15 =
  3. 3.20 × 15 =
  4. 4.13 × 15 =
  5. 5.28 × 15 =
  6. 6.49 × 15 =
  7. 7.60 × 15 =
  8. 8.22 × 15 =
  9. 9.64 × 15 =
  10. 10.62 × 15 =
  11. 11.45 × 15 =
  12. 12.60 × 15 =
  13. 13.55 × 15 =
  14. 14.18 × 15 =
  15. 15.44 × 15 =
  16. 16.59 × 15 =
  17. 17.61 × 15 =
  18. 18.31 × 15 =
  19. 19.17 × 15 =
  20. 20.38 × 15 =
  21. 21.51 × 15 =
  22. 22.45 × 15 =
  23. 23.44 × 15 =
  24. 24.5 × 15 =
  25. 25.52 × 15 =
  26. 26.17 × 15 =
  27. 27.31 × 15 =
  28. 28.15 × 15 =
  29. 29.11 × 15 =
  30. 30.43 × 15 =
  31. 31.9 × 15 =
  32. 32.35 × 15 =
  33. 33.12 × 15 =
  34. 34.62 × 15 =
  35. 35.22 × 15 =
  36. 36.12 × 15 =
  37. 37.8 × 15 =
  38. 38.25 × 15 =
  39. 39.59 × 15 =
  40. 40.4 × 15 =

Answer key

  1. 105
  2. 105
  3. 300
  4. 195
  5. 420
  6. 735
  7. 900
  8. 330
  9. 960
  10. 930
  11. 675
  12. 900
  13. 825
  14. 270
  15. 660
  16. 885
  17. 915
  18. 465
  19. 255
  20. 570
  21. 765
  22. 675
  23. 660
  24. 75
  25. 780
  26. 255
  27. 465
  28. 225
  29. 165
  30. 645
  31. 135
  32. 525
  33. 180
  34. 930
  35. 330
  36. 180
  37. 120
  38. 375
  39. 885
  40. 60

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