新课改下的教学,由于教师对新课程标准的理解不到位,每节课力争实现课时三维目标,造成课堂上“虚假造作脱离数学本质”“背景材料干扰教学内容”“选用材料远离学生经验,材料太长造成喧宾夺主”“注重吸引忽视育人功能”的现象时有发生。这一现象导致学生学习效果难以保证,导致班级的两极分化严重,这应该引起教师、学生、家长的高度重视。 Due to teachers’ lack of understanding of the new curriculum standard, each lesson strives to achieve the three-dimensional goal of the lesson, resulting in the disruption of teaching contents in the classroom. “False creation from the nature of mathematics” The use of materials away from the student experience, the material is too long to cause overwhelming “” Attention to attract neglect of educational function "phenomenon has occurred. This phenomenon leads to students’ learning effect is difficult to guarantee, resulting in serious polarization of the class, which should cause teachers, students, parents attach great importance.