【案例背景】原本六年级上册的《鸡兔同笼》下放到我们四年级下学期!这样有趣的中国传统数学名题,可以说是时间长河中洗练留存至今的具有经典意义的数学问题,研究这个问题及其中渗透的数学思想,对于提升学生的核心素养,尤其是健全人格是不可忽视的。同时,也由于“贪恋”阶梯教室更为优质的液晶实物投影设备,我斗胆在学校的市级骨干引领课中展示了这节课!其实,对于女教师来说,此类“烧脑”的内容,不容易把握,可我想挑战一下自我!市 【Case Background】 The sixth grade of the original book, “Chicken Rabbit with the cage,” down into our fourth grade next semester! Such an interesting Chinese traditional mathematics title, can be said to have time to wash in the classical meaning of mathematical problems, research This problem and the mathematical ideas permeated by it can not be neglected to improve students’ core literacy, especially their personality. At the same time, but also because of “eager ” ladder classroom more high-quality liquid crystal projection equipment, I dare to lead the class in the city’s leading school shows this lesson! In fact, for female teachers, such “burn Brain ”content, not easy to grasp, but I want to challenge myself! City