一年级数学下册第8章总复习8.3认识图形、找规律、分类与整理课件新人教版.ppt

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一、连一连,正方形,你们认识这些图形 吗?快来连一连吧!,长方形,圆,三角形,平行四边形,一、连一连,20,50,45,40,14,12,40,二、填一填,22,24,你发现规律了吗?按 规律继续填一填吧。,34,32,38,50,36,54,60,52,58,64,你能根据规律填一填吗?,我横着观察,每行的 数依次多6。,我竖着观察,每列的 数都依次多10,而且 个位上的数都一样。,二、填一填,2,5,2个黄色珠子、3个蓝色珠子为一组重复出现,被遮住的珠子依次是2蓝、2黄、3蓝,共7个珠子。,二、填一填,你能根据规律填一填吗?,三、选一选,该补上哪块花布 呢?请你选一选。,4,3,6,2,四、整理餐桌,杯子最多, 盘子最少。,比 多( )个。,餐桌太乱了,我们 一起来整理整理吧!,分别有几个,先数一数 填在表格中,再照样子 涂色。,请你填出下面的答案。,哪种餐具最多?哪种最少?,7,3,6,5,1,五、分一分 数一数,这幅图都是由哪些 图形组成的?,数一数,这些图形 分别有几个?,长方形最多,平行 四边形最少。,哪种图形的数量 最多?哪种最少?,一共有多少个图形?,一共有22个图形。,你还能提出什么 数学问题 ?,三角形比正方形多几个? ,这节课我学会了什么?快来说一说吧!,xx小学 x年级x班,xxx,

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