添加微信:car4900,免费领小学资料5、四边形的分类一、把图形的序号填在相应的圆圈里。二、下面图形中哪些是梯形?在括号里“√”。()()()()()()三、动动手,动动脑。1、在下面的梯形中画一条线段,把它们分割成一个三角形和一个平行四边形。2、在下面的三角形中画一条线段,把它们分割成一个梯形合一个三角形。四、在下面的点子图上按要求画图。三角形长方形平行四边形梯形五、下面那两个图形可以拼出长方形、平行四边形和梯形?试着自己制作一副七巧板,并剪下来拼一拼。添加微信:car4900,免费领小学资料①⑨⑧⑦⑥⑤④③②平行四边形梯形·····························································································································································································································································································································································添加微信:car4900,免费领小学资料六、下面哪些图形是轴对称图形?有几条对称轴?画出它们的对称轴。七、你能从下图中找出多少个平行四边形?添加微信:car4900,免费领小学资料添加微信:car4900,免费领小学资料答案:略添加微信:car4900,免费领小学资料