“应变”,是指教师在教学活动中,面对意外发生的情况,敏感地洞悉学生思维活动的势态,迅速作出反应,及时采取恰当措施的一种教学艺术。应变,也是教师能动地控制、调节教学过程的生动体现。一位富有经验与修养的数学教师,总是有着临变不乱的大将风度、应答自如的娴熟技艺的。现将数学教学中常见的应变方法。分述如下: 一、善于调节难度 “Strain” is a kind of teaching art in which teachers face the unexpected situation during their teaching activities, sensitively perceive the state of student thinking activities, respond promptly and take timely and appropriate measures. Strain is also a vivid manifestation of the teacher's ability to actively control and adjust the teaching process. A math teacher with experience and accomplishment always has the aptitude to change his skill and skill. Now common in mathematics teaching methods of response. As follows: First, good at adjusting the difficulty