我儿子炎炎一岁多的时候,常用积木一块一块地摆成长龙,用手推着前进;或把积木任意砌高,又推倒重砌,百玩不厌。于是,我就想利用这些积木来教他认识一些简单的几何形体和色彩。我首先教他认识三角形。因为三角形有较为突出的特点,它不象正方形、长方形、梯形那样有 My son more than one year old when the inflammation, commonly used building blocks put a long dragon, pushing forward with their hands; or any high brick building, and down heavy puzzle, one hundred never tired. So, I wanted to use these blocks to teach him some simple geometry and color. I first taught him to know the triangle. Because the triangle has a more prominent features, it is not like a square, rectangular, trapezoidal