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教学片段:“梯形的面积”计算新授课。师:同学们,刚才我们已探讨出梯形面积的计算公式,知道了求梯形的面积,必须要知道的条件,下面我们就来练习一下。师出示题目:计算下列梯形的面积。(指名板演,其余学生独立完成,除两个学
Teaching fragment: “Trapezoid area ” Calculate new lectures. Teacher: Students, just now we have explored the calculation formula of trapezoid area. We know the conditions for trapezoidal area, we must know the conditions, let’s practice it. Teacher Presentation Title: Calculate the area of the following trapezoid. (Nomination board performance, the rest of the students to complete independently, except two studies