布卢姆说过:“没有预料不到的成果,教学也就不成为一种艺术了。”课堂是鲜活的,是动态生成的过程,也是师生共同成长的生命历程。更是师生共同创造奇迹的场所。学生是灵动的生命体,在丰富而又千变万化教学情境中,常会有许多预料不到的现象发生。教师要捕捉这些闪烁不定的教学资源,服务于教学,运用教师的智慧去耐心引导学生,使数学课堂异彩纷呈, Bloom said: “With no unexpected result, teaching is not an art.” "Classroom is fresh, dynamic, and life-long. It is a place where teachers and students work together to create miracles. Students are smart living things. In the rich and ever-changing teaching situations, there are many unforeseen phenomena. Teachers should capture these twinkling teaching resources, serve teaching, use teachers’ wisdom to guide students patiently, make the mathematics classroom colorful,