Relentlessly Fun, Deceptively Educational: It's Snowing Angles! You can build on this by having students color code supplementary or acute angles, vertex and others depending on the snowflake design.
Types of Angles for Student Journal
Types of Angles, I like how they are all on one anchor chart. I would also add reflex angle. (Image only)
Sorting Angles Freebie! Acute, Obtuse, Straight, and Right angles cut and sort for interactive math journals.
The Angles Song - Acute, Obtuse, and Right - YouTube
5 Activities to Teach Angles
Using a fun little sheet to get the kids practicing using a protractor. Practica con el transportador.
Print and Go: Color by Angle Protractor Activity COMMON CORE ALIGNED 4.MD.6
Angles Interactive Notebook Ideas.