教学“悬念”是指导课堂教学中,创设具有科学性、新颖性,足以引起学生探索活动的各种疑问。教师千方百计设置悬念,它以疑问、矛盾、问题的形式作为思维的“启发剂”,鼓励学生放开思路,大胆探索,提出问题、解决问题,从而提高课堂教学效果。一、导课时设置“悬念”在数学教学中,? The teaching “suspense” is a guide to classroom teaching. It creates a variety of questions that are scientific and novel enough to arouse students’ exploration activities. Teachers try every possible means to set suspense. In the form of questions, contradictions, and problems, they serve as “inspirations” for thinking. Students are encouraged to open their minds, explore boldly, ask questions, and solve problems, so as to improve the effectiveness of classroom teaching. First, set the “suspense” in mathematics teaching during class instruction.