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常言说:万事开头难,良好的开端是成功的一半．数学课堂的引入犹如乐曲的“引子”、戏剧的“序幕”,具有酝酿情绪、激发学生学习兴趣的作用．在多年的实际教学中,我发现运用“问题引入”法往往一开始就能扣住学生的心弦,激励学生大胆质疑,唤起学生的求知欲望,使学生积极思维,勇于探索,主动去获取知识．下面根据我的教学实践具体谈一谈数学课堂的“问题引入”．
As the saying goes: Everything is difficult at the beginning. A good start is half the battle. The introduction of mathematics class is like the “introduction” of music and the “prologue” of drama. It has the effect of brewing emotions and stimulating students’ interest in learning. In many years of practical teaching, I have found that using the “problem introduction” method can often hold the student’s heartstring in the beginning, motivate students to question boldly, evoke the students’ desire for knowledge, and enable students to think positively, be bold in exploration, and actively acquire knowledge. The following is a concrete discussion of the “problem introduction” in the mathematics classroom based on my teaching practice.