Poly- many -gon angles or sides Polygon -many angles/sides

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Poly- many -gon angles or sides Polygon -many angles/sides Standard MG 2.0 Lessons 12.3 (#1-17) Objective: Identify, describe, and classify polygons Poly- many -gon angles or sides Polygon -many angles/sides Uni- 1 unicycle 1 wheel Bi- 2 bicycle 2 wheels Tri- 3 tricycle 3 wheels Triangle 3 sides Quad- 4 quads 4 wheels Quadrilateral 4 sides Penta- 5 (see a pattern here) Pentagon 5 sides Hexa- 6 Hexagon 6 sides *Sept- 7 Septuplets 7 babies Septagon 7 sides Octo- 8 Octopus 8 tentacles Octagon 8 sides Nono- 9 Nonagon 9 sides *also known as Hept- or Heptagon for 7. 3rd grade isn’t required to know blue words. Created by Therese Duffy 2011

Polygon -many angles/sides All of the shapes below are polygons. Standard MG 2.0 Lessons 12.3 (#1-17) Objective: Identify, describe, and classify polygons Polygon -many angles/sides All of the shapes below are polygons. Triangles Quadrilaterals Polygons also Created by Therese Duffy 2011

1. Look at the figure, is it closed? Standard MG 2.0 Lessons 12.3 (#1-17) Objective: Identify, describe, and classify polygons Polygon many sides Triangle 3 sides Quadrilateral 4 sides Pentagon 5 sides Hexagon 6 sides Octagon 8 sides A Plane Figure is flat, you could draw it on your paper. A Polygon is a closed plane figure, no openings and no lines crossing over each other. Steps 1. Look at the figure, is it closed? 2. Count the sides. 3. Write the figure’s name and the number of sides. Created by Therese Duffy 2011