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那天的数学课上,学习的是平行四边形的面积公式及其推导。从情景导入到动手操作、公式推导……所有的教学环节都顺利进行着,我心里也美滋滋的,因为从课前学生准备的学具到课上学生积极认真地思考、动手操作,一切都是那么有条不紊,从中可以看出学生学习很认真,效果也很好。但是当讲到用字母S a h代替文字,写出表达式时,我叫了我班的刘某汇报,让我大吃一惊,她居然支吾着说不出来,我一改往日的急躁情绪,而是和颜悦色地问:“为
The math class that day, learning is the parallelogram area formula and its derivation. From the scene into the hands-on operation, formula derivation ... ... all the teaching sessions are carried out smoothly, my heart is full of beauty, because the preparation of pre-school students to class students to actively think seriously, hands-on operation, everything is Well organized, from which we can see that students study very seriously, the effect is also very good. However, when it comes to replacing the text with the letter S ah and writing the expression, I called Liu’s class report in my class to surprise me. She actually could not tell her. I changed my former impatience but a pleasant one To ask: ”for