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What knowledge is used in the process of window cutting?
In the process of cutting window grilles, we used the symmetry knowledge of mathematics.

1, through observation, we can find the symmetry of the graph, and we can describe our findings in the graph in our own language. Explore the relationship between folding and graphics.

2. Cultivate students' language expression ability, spatial imagination ability and hands-on operation ability in the process of exploring graphic cutting.

3. Infiltrate creativity with mathematical thinking.

Knowledge of window grilles

Window cut is the most widely distributed, the largest number and the most popular variety among folk paper-cuts. Divided into north-south styles, the south is exquisite and beautiful, characterized by exquisiteness. The beauty of simplicity and vividness in the north is characterized by innocence and integrity. Other paper-cut varieties are developed and extended on the basis of window grilles.