This is a perfect end of the year, back to school, math centers, summer camp, or summer school 8th & 9th grade Math Bundle (triangles & quadrilaterals: types, areas and perimeters, properties; converting units of length; area and circumference of circles; Pythagorean theorem; laws of exponents; solving quadratic equations; special right triangles 45-45-90 and 30-60-90).1. SHAPES AUCTION - Geometry Review Game - triangles & quadrilaterals (types, areas and perimeters, properties, conv