【案例背景】数学课堂教学中,教师的即时评价是对学生课堂上学习活动做出的立即反应,帮助学生调整、控制后续学习行为的一种形成性评价方式。如果教师能够巧妙地运用口头语言和态势语言艺术,通过多元化的评价,就能够唤醒学生的参与热情,激发学生的自信心,满足学生的成就感,从而 Case Background: In the classroom teaching of mathematics, the immediate evaluation of teachers is a kind of formative evaluation of students’ immediate reaction to the learning activities in class and help students to adjust and control the subsequent learning behavior. If teachers skillfully use verbal language and situational language arts, they can arouse students ’enthusiasm for participation by diversifying their assessment, inspire students’ self-confidence and satisfy their sense of accomplishment.