当前,在数学课堂教学中存在着诸多影响教学效果的现象.在一些日常课、公开课、评优课中,同样的教材却因施教者的不同而其教学效果大相径庭,优秀者经深思熟虑听后耐人寻味,平庸者虽殚精竭虑却让人匪夷所思.一些年轻教师迷信教材到了膜拜的地步,照本宣科不敢越雷池一步;一些年长者紧抱陈腐教案,教了一遍又一遍,用了一年又一年,成 At present, there are many phenomena that affect the teaching effect in the classroom teaching of mathematics.In some daily classes, open classes and evaluation courses, the same teaching materials vary greatly in teaching effects due to different teaching staff After the thought-provoking, mediocre despite their hard work but incredible. Some young teachers superstition teaching materials to the point of worship, according to the Propaganda Department did not dare to step further thunderstorm; some older people embrace balloons, taught again and again, with a year after another harvest