Here is another great math poster to decorate your classroom.  Today's poster is about quadrilaterals and illustrates the six major quadrilateral shapes.

Quadrilateral just means "four sides" (quadmeans four,lateralmeans side).  Any four-sided shape is a Quadrilateral.   The sides have to bestraight, and it has to be2-dimensional.

Quadrilaterals aresimple(not self-intersecting) orcomplex(self-intersecting), also called crossed. Simple quadrilaterals are eitherconvexorconcave.

Theinterior anglesof a simple quadrilateralABCDall add up to 360degrees of arc,

Anyhow, there are some facts on quadrilaterals, you candownload this great poster here.

* Please note all of our posters are originally designed using high resolution images and fonts at A3 paper size. Be aware it will be automatically resized to your default paper size when using Adobe Acrobat Reader without any loss of quality. If you would like to print these documents at larger sizes you can read theAdobe Resize & Scaling FAQhere.

Finally if you would like to purchase a completely editable version of this document to alter without any restrictions you can purchase it for $10.00 simply byemailing us.