Geometry Polygons

Mrs. Brenda Rodriguez 5th and 6th Grade Math

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• Objective

• Instructions

• Theme: “Polygons”

• Activities

• Glossary

Objective

• You’ll classify polygons be their sides

Instructions

• Match the polygon with its correct classification. • Tell whether the polygon is always regular.

Polygons

• A polygon is a closed plane figure that is formed by three or more segments called sides.

• Each side intersects exactly with two other sides at a vertex.

Triangle

3 sides

Quadrilateral

4 sides

Pentagon

5 sides

Hexagon

6 sides

Heptagon

7 sides

Octagon

8 sides

Choose the best answer:

a) Triangle

b) Quadrilateral

c) Octagon

Choose the best answer:

a) Triangle

b) Quadrilateral

c) Hexagon

Choose the best answer:

a) Heptagon

b) Pentagon

c) Octagon

Regular Polygons Regular polygons are polygons with sides of equal length and angles of equal measure. Polygons that are not regular are irregular figures. Regular Irregular

Classify the polygons as regular or irregular

a) Regular b) Irregular

a) Regular b) Irregular

Glossary • Segment is a part of a line, it has two endpoints.

• •

• Intersects are lines in a plane that meet at a point.

• Vertex – a point at which two sides of a polygon meet.

•

• Angle – A figure formed by two rays with the same endpoint.

•

Correct

Incorrect

Correct

Incorrect