Any Number Multiplied by 15 Any Number × 15 No. 0 × 15 ★ Increase 0 left to the number and add half of this number. ★ this is your answer 24 × 15     240  Write 0 left to 24 it will be 240 + 120   Write half of 240 it will be 120     360  (Add 240 & 120 it will be …