Try these sites to help classify the types of triangles.http://www.sheppardsoftware.com/mathgames/geometry/shapeshoot/triangles_shoot.htm
http://www.math-play.com/classifying-triangles/Triangles-Drag-and-Drop-Game.html
https://ca.ixl.com/math/grade-5/types-of-triangles
http://www.math-play.com/classifying-triangles/Triangles-Drag-and-Drop-Game.html
https://ca.ixl.com/math/grade-5/types-of-triangles