← × 15: ten plus half lesson New set →

Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 585 · 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. 1.49 × 15 =
  2. 2.36 × 15 =
  3. 3.57 × 15 =
  4. 4.58 × 15 =
  5. 5.54 × 15 =
  6. 6.48 × 15 =
  7. 7.58 × 15 =
  8. 8.21 × 15 =
  9. 9.61 × 15 =
  10. 10.59 × 15 =
  11. 11.6 × 15 =
  12. 12.52 × 15 =
  13. 13.25 × 15 =
  14. 14.18 × 15 =
  15. 15.42 × 15 =
  16. 16.10 × 15 =
  17. 17.51 × 15 =
  18. 18.60 × 15 =
  19. 19.26 × 15 =
  20. 20.60 × 15 =
  21. 21.46 × 15 =
  22. 22.52 × 15 =
  23. 23.13 × 15 =
  24. 24.18 × 15 =
  25. 25.36 × 15 =
  26. 26.47 × 15 =
  27. 27.20 × 15 =
  28. 28.31 × 15 =
  29. 29.55 × 15 =
  30. 30.28 × 15 =
  31. 31.15 × 15 =
  32. 32.53 × 15 =
  33. 33.32 × 15 =
  34. 34.57 × 15 =
  35. 35.39 × 15 =
  36. 36.4 × 15 =
  37. 37.62 × 15 =
  38. 38.55 × 15 =
  39. 39.58 × 15 =
  40. 40.22 × 15 =

Answer key

  1. 735
  2. 540
  3. 855
  4. 870
  5. 810
  6. 720
  7. 870
  8. 315
  9. 915
  10. 885
  11. 90
  12. 780
  13. 375
  14. 270
  15. 630
  16. 150
  17. 765
  18. 900
  19. 390
  20. 900
  21. 690
  22. 780
  23. 195
  24. 270
  25. 540
  26. 705
  27. 300
  28. 465
  29. 825
  30. 420
  31. 225
  32. 795
  33. 480
  34. 855
  35. 585
  36. 60
  37. 930
  38. 825
  39. 870
  40. 330

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