G Teaching Polygons

Study the examples and non examples and see if you can

identify the polygons on the next slides.

Polygons                         None Polygons

 

Polygon

Yes

No

Polygon

Yes

No

Polygon

Yes

No

Polygon

Yes

No

Polygon

Yes

No

Polygons are two-dimensional shapes composed of line

segments.  They have no gaps and go overlaps.  Because

they are composed of only line segments, they have NO

curves.  To close, the smallest possible polygon is a three

sided polygon called a triangle.  The first eight polygons

are named below:

3 sided  triangle                  4 sided  quadrilateral

5 sided pentagon                6 sided hexagon

7 sided heptagon                8 sided octagon

9 sided nonagon               10 sided decagon

They go on and on; however, you only have to know the

first eight polygons. 

The first eight polygons are named below:

3 sided  triangle                  4 sided  quadrilateral

5 sided pentagon                6 sided hexagon

7 sided heptagon                8 sided octagon

9 sided nonagon               10 sided decagon 

A polygon with 7 sides and angles  is a                    .

The first eight polygons are named below:

3 sided  triangle                  4 sided  quadrilateral

5 sided pentagon                6 sided hexagon

7 sided heptagon                8 sided octagon

9 sided nonagon               10 sided decagon 

A polygon with 4 sides and angles  is a                        .

The first eight polygons are named below:

3 sided  triangle                  4 sided  quadrilateral

5 sided pentagon                6 sided hexagon

7 sided heptagon                8 sided octagon

9 sided nonagon               10 sided decagon 

A                   is polygon with ten connected line

segments.

The first eight polygons are named below:

3 sided  triangle                  4 sided  quadrilateral

5 sided pentagon                6 sided hexagon

7 sided heptagon                8 sided octagon

9 sided nonagon               10 sided decagon 

A polygon with 8 sides and angles  is a                    .

The first eight polygons are named below:

3 sided  triangle                  4 sided  quadrilateral

5 sided pentagon                6 sided hexagon

7 sided heptagon                8 sided octagon

9 sided nonagon               10 sided decagon 

A polygon with 3 sides and angles  is a                    .

The first eight polygons are named below:

3 sided  triangle                  4 sided  quadrilateral

5 sided pentagon                6 sided hexagon

7 sided heptagon                8 sided octagon

9 sided nonagon               10 sided decagon 

A                   is polygon with six connected line

segments.

The first eight polygons are named below:

3 sided  triangle                  4 sided  quadrilateral

5 sided pentagon                6 sided hexagon

7 sided heptagon                8 sided octagon

9 sided nonagon               10 sided decagon 

A                   is polygon with five connected line

segments.

The first eight polygons are named below:

3 sided  triangle                  4 sided  quadrilateral

5 sided pentagon                6 sided hexagon

7 sided heptagon                8 sided octagon

9 sided nonagon               10 sided decagon 

A                   is polygon with nine connected line

segments.

 

 

The first eight polygons are named below:

3 sided  triangle                  4 sided  quadrilateral

5 sided pentagon                6 sided hexagon

7 sided heptagon                8 sided octagon

9 sided nonagon               10 sided decagon 

The first eight polygons are named below:

3 sided  triangle                  4 sided  quadrilateral

5 sided pentagon                6 sided hexagon

7 sided heptagon                8 sided octagon

9 sided nonagon               10 sided decagon 

The first eight polygons are named below:

 

3 sided  triangle                  4 sided  quadrilateral

5 sided pentagon                6 sided hexagon

7 sided heptagon                8 sided octagon

9 sided nonagon               10 sided decagon 

The first eight polygons are named below:

3 sided  triangle                  4 sided  quadrilateral

5 sided pentagon                6 sided hexagon

7 sided heptagon                8 sided octagon

9 sided nonagon               10 sided decagon 

The first eight polygons are named below:

3 sided  triangle                  4 sided  quadrilateral

5 sided pentagon                6 sided hexagon

7 sided heptagon                8 sided octagon

9 sided nonagon               10 sided decagon 

The first eight polygons are named below:

3 sided  triangle                  4 sided  quadrilateral

5 sided pentagon                6 sided hexagon

7 sided heptagon                8 sided octagon

9 sided nonagon               10 sided decagon 

The first eight polygons are named below:

3 sided  triangle                  4 sided  quadrilateral

5 sided pentagon                6 sided hexagon

7 sided heptagon                8 sided octagon

9 sided nonagon               10 sided decagon 

The first eight polygons are named below:

3 sided  triangle                  4 sided  quadrilateral

5 sided pentagon                6 sided hexagon

7 sided heptagon                8 sided octagon

9 sided nonagon               10 sided decagon 

A ten sided shape composed of line segments closed

with no gaps or overlaps                          .

 

 

A pentagon is a ____ sided polygon. 

                

A quadrilateral is a ___ sided polygon.

 

 

A decagon is a ____ sided polygon with 10 angles.

 

A hexagon is a ____ sided polygon.

 

Name the first eight polygons below.  Spelling counts.

 

3 sided                           4 sided 

 

5 sided                           6 sided

 

 

7 sided                           8 sided

 

9 sided                         10 sided

 

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