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剪纸和拼图是学生小时候就十分喜欢的一种游戏,学生通过对纸片的折叠、剪裁或通过一些简单图形的拼接可以得到许多精美的图案。在这些活动中学生不仅对操作过程完全掌握,有亲身经历的感悟,而且有一种自主设计、探索创新的冲动和成功后的满足感。2006年的中考数学试卷在这一类操作性试题上做了不少尝试,很好地贯彻了新课程所提出的多维评价和过程评价的理念。此类试题形式多样,既有借助提供各种形式的素材去考查学生从中获取信息的试题,也有通过学生阅读材料去理解一些数学对象的试题,还有关注操作性和探索性的试题,给我们很多有益的启示。
Paper cutting and jigsaw puzzles are a kind of games that students like very much when they were young. Students can get many beautiful patterns by folding, trimming or stitching through some simple graphics. In these activities, students not only have complete mastery of the operation process, but also have personal experience, as well as a sense of self-design, exploration and innovation, and satisfaction after success. In 2006, the examination mathematics test papers made a lot of attempts on this type of operational test questions, and well implemented the ideas of multidimensional evaluation and process evaluation proposed by the new curriculum. These kinds of questions have various forms, such as the use of various forms of materials to examine questions from which students obtain information, and the use of student reading materials to understand the questions of some mathematical subjects, as well as to focus on operational and exploratory questions. A lot of helpful revelations.