小组合作、交流，是小班化教学中常使用的一种教学组织形式，它可以有效地促进生生互动，激发学生的创造力和想像力。 在一次二年级小班的数学思维训练课上，我一只手托着一盒乒乓球，另一只手拿着天平走进教室。同学们用好奇的眼光看着我。我说：“工人叔叔生产了８个外形和颜 Group cooperation, exchange, is a kind of teaching organization often used in teaching in small classes, which can effectively promote the interaction between students and students and stimulate their creativity and imagination. In a sophomore math thinking training class, I held a box of ping pong balls in one hand and the balance in the other. Students looked at me curiously. I said: "The worker uncle produced eight shapes and colors