论文部分内容阅读
课前思考:“用百分数解决问题”是人教版《义务教育教科书·数学》六年级上册第90~91页的内容。课前慎思本节课的问题和困惑:学生的学习起点在哪?本节课的重点是引导学生体会两次增减时所对应的单位“1”不同及其所引起的对应数量的变化。它与学生之前学习的用百分数解决问题相比较为复杂,学生会做吗?能说清思路吗?再者,如何“选材”与“立序”?针对目标,该如何选择现实而又有趣的学习内容
Pre-class thinking: “Percentage to solve the problem ” is the PEP version of “compulsory education textbook mathematics” sixth grade on the first 90 ~ 91 pages of content. Questions and puzzles in this lesson before class: Where do students start their studies? The focus of this lesson is to guide students to understand the difference between the number of “1” units and the number of Variety. It is compared with the students before learning to solve the problem with the percentage is more complex, the students will do it? Can clarify the way? Moreover, how to choose the material and the order? How to choose the reality Interesting learning content