Comparisons among all the well-known polygon families lead to your students finding the perimeter, area, angles, and ends with the missing side finally found.

Mathematical Domains: Measurement and Data, Geometry, Number and Operations

Standards: Grade Levels: 4-8: 4.MD.A.1, 4.MD.A.2, 4.MD.C.5, 4.MD.C.7, 4.G.A.1, 4.G.A.2, 5.NF.B.7.B, 5.NF.B.7.C, 5.MD.B.2, 5.G.B.3, 6.G.A.1, 7.G.A.2, 7.G.B.5, 8.G.B.7

Topics: Quadrilateral, Perimeter, Area, Parallel, Triangle, Degrees, Isosceles Triangle, Right Triangle, Congruent, Trapezoid, Equilateral Triangle, Square, Rectangle, Parallelogram, Fraction, Percent, Pythagorean Theorem, Square, Square Root, Decomposing, Line Segment, Midpoint, Percent

Grade Level(s): 4, 5, 6, 7, 8

Duration: 1-2 days

Resource: Lesson Plans (Individual), PowerPoint Presentations, PDF, Activities