数学一年级上册《小鸡吃食》课件.ppt

小 鸡 吃 食,10的加减法,主讲人：高淑格,9,1,10,10-=,=,+,10,8,2,2,8,8,2,=,+,10,10-=,8,2,10-=,=,+,10,8,2,2,8,8,2,=,+,10,10-=,8,2,1,2,8,3,9,4,5,7,6,5,找朋友(两个数相加等于10),湊十歌,一九一九好朋友，二八二八手拉手，三七三七好伙伴，四六四六一起走，五五凑成一双手。,9,8,7,6,5,5,3,6,4,2,8,7,10,9,0,1,看图说算式,7,3,10,3,7,10,10,7,3,10,3,7,7,3,3,7,3+7=10,10-7=3,9,1,9,8,2,7,3,7,6,4,6,5,5,5,4,6,4,3,7,3,2,8,2,1,9,1,0,10,7,5,10,6,4,10,10,10,2,4,6,8,10,1,3,5,7,9,1,8,2,7,3,6,4,5,