数学课堂教学是师生共同设疑、释疑的过程,是以问题的解决为核心展开的。具有有效性和针对性的课堂问题,不仅是激发学生学习兴趣,使其思维进入竞技状态的刺激信息,还能在解答问题的过程中培养学生的表达能力,发展学生的思维。 Mathematics classroom teaching is a process of setting doubts and doubts together by teachers and students. It is based on the solution of problems. Effectiveness and pertinence of classroom problems not only stimulate students’ interest in learning and stimulate their thinking into competitive state, but also develop their expressive ability and develop their thinking in the process of answering questions.