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【教学内容】人教版数学二年级上册第44~46页。【教学过程】一、创设情境,引入新知1.解决生活中的数学问题。同学们,我们生活中处处都有数学。看,爱动脑筋的小明坐着爸爸的车回家的途中遇到数学问题了,是什么问题?这是什么?(电脑出示:路灯)小明想算一下共有几个灯泡,车开得太快了,小明算不过来了,你会列式算吗?板书:5+5+5=152.(电脑出示)小明经过另一段路,又有一些不一样的路灯,他又想算一算一共有几个灯
Teaching content] PEP mathematics second grade on the first 44 ~ 46 pages. [Teaching process] First, create the situation, the introduction of new knowledge 1. Solve the mathematical problems in life. Classmates, there are maths everywhere in our lives. Look, love brains Xiao Ming sitting on his father’s car came home on the way to encounter math problems, what is the problem? What is this? (Computer shows: street light) Xiaoming want to count a total of several light bulbs, the car too fast 5, 5, 5, 152. (computer shows) Xiao Ming through another section of the road, there are some different street lights, he would like to forget a total of There are several lights