Shapes, Shapes, Everywhere! How Can We Compare?

A triangle has three edges and three corners.

Created with CAST's UDL Book Builder
CAST would like to thank Texthelp Inc. for use of the SpeechStream toolbar

Tri stands for three.

Triangles can look different but ALWAYS have three corners.

The triangle instrument has the name triangle because of its shape.

Select this then click anywhere in the book to start reading text Speak the current selection Stops speech playback Double-click a word in the book and click this icon to translate the word into Spanish