Teach 5th grade students to classify triangles by sides (equilateral, isosceles, scalene triangles) and by angles (acute, obtuse, right triangles) using this Classifying Triangles Properties Guided Notes & Doodles resource. It contains 10 pages, including guided notes, a practice coloring worksheet, a maze, and a real-life math application. It works well as graphic organizers, scaffolded notes, and interactive notebooks. And it's artsy—if your students love color by number, color by code, or s