设计思路:为帮助幼儿理解“空集”这一比较特殊的概念,我设计了这一以“玩一玩,猜一猜”为主的活动。在材料的提供上,我力求调动孩子的多种感官,并注意在难度上分出层次,满足不同能力孩子的需要。在过程设计上,我让孩子通过直接的探索、体验来积累经验,并用比较简单的语句讲述操作过程,激发孩子学习的主动性与积极性。在指导上,我发挥小班化教育的优 Design Ideas: To help young children to understand the relatively empty concept of “empty set,” I designed this activity based on “play, play and guess”. In the provision of materials, I seek to mobilize the children’s multiple senses, and pay attention to the difficulty of the level of separation, to meet the needs of children with different abilities. In the process of design, I let the children through direct exploration, experience to accumulate experience, and use relatively simple statements about the operation process, to stimulate children’s learning initiative and enthusiasm. In the guidance, I play a small class education excellent