This activity can be used as a stand-alone worksheet or incorporated into an interactive notebook. Students will be given pictures of triangles that they will have to classify by sides and angles and glue onto a grid. Acute, right, obtuse and equiangular are written down the side, while scalene, isosceles and equilateral are written at the top. For example, one picture is of an acute scalene triangle. They will find acute on the side of the grid and scalene on the top and glue it in that space. This activity lets them know that each triangle can have 2 names, one for the sides and one for the angles. There are four x's for those spaces representing triangles that don't exist (example: right equilateral).