活动前,教师应充分考虑本班幼儿发展水平的差异,提供不同层次的操作材料,如完整的范例、分步折叠示意图以及半成品材料等,让不同能力水平的幼儿自主选择,鼓励“反复操作不得要领的幼儿”看着示意图或利用半成品进行操作,支持和引导他们从原有水平向更高水平发展。当部分幼儿运用折纸扇的方法获得成功时,教师可以引导他们先比较两种纸弹簧的性能,再适时展示一些用两种颜色的纸条交叉 Before the event, teachers should give full consideration to the differences in the level of development of young children and provide different levels of operating materials such as complete examples, step-by-step schematic diagrams and semi-finished materials so that young children of different abilities can make their own choices and encourage repeated operations Unable to lead children "look at the schematic or use of semi-finished products to operate, support and guide them from the original level to a higher level of development. When some children succeed in using origami fans, the teacher can guide them to compare the performance of the two paper springs first, then display some of the cross-sections of the paper in two colors