Two Dimensional Shapes and Symmetry

Front

What is a two-dimensional shape?

Back

A two-dimensional shape is a flat figure that has length and width but no depth.

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CCSS.2.G.A.1

CCSS.1.G.A.1

Front

What is a polygon?

Back

A polygon is a closed two-dimensional shape with straight sides.

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CCSS.2.G.A.1

Front

Give an example of a polygon.

Back

Examples of polygons include triangles, squares, and rectangles.

Tags

CCSS.2.G.A.1

Front

What is a circle?

Back

A circle is a round shape that is not a polygon because it does not have straight sides.

Tags

CCSS.2.G.A.1

CCSS.1.G.A.1

Front

What are the characteristics of a square?

Back

A square has four equal sides and four right angles.

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CCSS.3.G.A.1

Front

What is symmetry?

Back

Symmetry is when one half of a shape is a mirror image of the other half.

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CCSS.4.G.A.3

Front

What is a line of symmetry?

Back

A line of symmetry is a line that divides a shape into two identical halves.

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CCSS.4.G.A.3

Front

How many lines of symmetry does a square have?

Back

A square has four lines of symmetry.

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CCSS.4.G.A.3

Front

How many lines of symmetry does a circle have?

Back

A circle has an infinite number of lines of symmetry.

Tags

CCSS.4.G.A.3

Front

What is the difference between a regular and an irregular polygon?

Back

A regular polygon has all sides and angles equal, while an irregular polygon does not.

Tags

CCSS.2.G.A.1