Review 2D shapes through this slide show on PDF file. Your students will love it! The 2D shapes included are designed like Christmas ornaments with different 2D shapes. The shapes included are the following: circle, square, rectangle, triangle, rhombus, decagon, heptagon, hexagon, nonagon, octagon, parallelogram, polygon, and trapezoid. This is a PDF file, but you may run it like a slide show to introduce new content or to review 2D shapes. The compressed zip file includes 3 PDFs: English v