设计意图与数据分析、空间关系相比,计数是幼儿日常生活中出现频次较多的数学核心经验,也是孩子们理解和建立数概念的基础。孩子们喜欢数数,也乐意用数数解决生活中的数学问题,当有计数任务的晨间点名、自取饼干、发放餐具时,他们就会自发地伸出手指大声唱数“1、2、3、4、5……”。对于大班下学期幼儿而言,“掌握20以内的数序、点数并说出总数”是他们“无需跳起”即可达成的目 Design Intent Compared with data analysis and spatial relations, counting is the core experience of mathematics in children’s daily life, and it is also the basis for children to understand and establish the concept of number. Children like to count and are willing to solve the mathematical problems in life with numbers. When morning counties with counting tasks pick themselves up for biscuits and dispense dishes, they spontaneously extend their fingers to sing loudly “ 2,3,4,5 ...... ”. For the next semester in the big class, “to grasp the numbers within 20, points and say the total number” is their “without jumping ” to reach the head