Circle

Edges: 0 (curved line)

Vertices: 0

Properties: Round, no corners

Triangle

Edges: 3

Vertices: 3

Properties: 3 straight sides, 3 corners

Square

Edges: 4

Vertices: 4

Properties: 4 equal sides, 4 corners

Rectangle

Edges: 4

Vertices: 4

Properties: 2 long sides, 2 short sides, 4 corners

Pentagon (Extension)

Edges: 5

Vertices: 5

Properties: 5 straight sides, 5 corners

Hexagon (Extension)

Edges: 6

Vertices: 6

Properties: 6 straight sides, 6 corners

Edges

The straight or curved lines that make the outside of a shape.

Example: A triangle has 3 edges.

Vertices

The corners or points where edges meet.

Example: A square has 4 vertices.

Regular Polygon (Extension)

A shape where all sides and angles are equal.

Example: A square is a regular polygon.

Irregular Polygon (Extension)

A shape where sides and angles are not all equal.

Example: A rectangle is an irregular polygon.

How to Label Shapes Using Book Creator or Seesaw

Step 1: Take a photo of shapes around you

Step 2: Open Book Creator or Seesaw

Step 3: Add your photo to a new page

Step 4: Use the text tool to add labels

Step 5: Draw arrows pointing to each shape

Step 6: Write the shape name and number of edges/vertices