For example, I can make 10 snowballs in one minute, so I can make 150 in 15 minutes. Fifteen minutes is counted on the clock by counting the little lines, and this is related to quarter of the ...

Quarter past means 15 minutes after the hour. Each number on the clock is worth 5 minutes, so when the minute hand moves from one number to the next, 5 minutes have passed. When the minute hand ...