← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 162 · 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. 1.32 × 15 =
  2. 2.59 × 15 =
  3. 3.13 × 15 =
  4. 4.64 × 15 =
  5. 5.55 × 15 =
  6. 6.28 × 15 =
  7. 7.44 × 15 =
  8. 8.58 × 15 =
  9. 9.51 × 15 =
  10. 10.47 × 15 =
  11. 11.14 × 15 =
  12. 12.36 × 15 =
  13. 13.15 × 15 =
  14. 14.5 × 15 =
  15. 15.11 × 15 =
  16. 16.8 × 15 =
  17. 17.48 × 15 =
  18. 18.21 × 15 =
  19. 19.6 × 15 =
  20. 20.50 × 15 =
  21. 21.28 × 15 =
  22. 22.17 × 15 =
  23. 23.52 × 15 =
  24. 24.33 × 15 =
  25. 25.38 × 15 =
  26. 26.58 × 15 =
  27. 27.40 × 15 =
  28. 28.51 × 15 =
  29. 29.37 × 15 =
  30. 30.31 × 15 =
  31. 31.44 × 15 =
  32. 32.21 × 15 =
  33. 33.63 × 15 =
  34. 34.54 × 15 =
  35. 35.7 × 15 =
  36. 36.62 × 15 =
  37. 37.36 × 15 =
  38. 38.63 × 15 =
  39. 39.35 × 15 =
  40. 40.17 × 15 =

Answer key

  1. 480
  2. 885
  3. 195
  4. 960
  5. 825
  6. 420
  7. 660
  8. 870
  9. 765
  10. 705
  11. 210
  12. 540
  13. 225
  14. 75
  15. 165
  16. 120
  17. 720
  18. 315
  19. 90
  20. 750
  21. 420
  22. 255
  23. 780
  24. 495
  25. 570
  26. 870
  27. 600
  28. 765
  29. 555
  30. 465
  31. 660
  32. 315
  33. 945
  34. 810
  35. 105
  36. 930
  37. 540
  38. 945
  39. 525
  40. 255

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