"You can just tell the students in class that pi is 3.14, but they don't really get it no matter how many times you tell them," says Wang Pei-chen, a teacher at Tungyuan Primary School. She prefers to have the kids measure different sized circles-milk bottles, frisbees, hula hoops, even the athletic field-and discover the relationship of diameter to circumference by themselves.
「在課堂上告訴學生圓周率是三・一四，說多少次學生還是很難理解，」東園國小王佩貞老師說，她讓學生自己測量牛奶瓶、飛盤、呼拉圈、操場等不同大小的圓形，自己去發現圓周和直徑的關係。