20 Task Cards with QR codes on Classifying Triangles by Sides and by angles. Also 8 questions have solving the missing angle measure.
All have QR codes for self check with a device.
3 Answer keys if you just want to do 12, 16 or all 20 questions. Answer key is included in case you don't have a QR scanning device.
Great for Scoot, stations, math centers, partners, etc...