4.G.A.1-4.G.A.3

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Tags

CCSS.4.G.A.1

Front

How can you identify a right angle in a shape?

Back

You can identify a right angle by looking for a square corner or using a protractor.

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CCSS.4.G.A.1

Front

What is line symmetry?

Back

Line symmetry is when a shape can be divided into two identical halves that are mirror images of each other.

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CCSS.4.G.A.3

Front

How do you find the line of symmetry in a shape?

Back

To find the line of symmetry, fold the shape along the line and see if both halves match.

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CCSS.4.G.A.3

Front

What is an example of a shape with line symmetry?

Back

A butterfly is an example of a shape with line symmetry.

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CCSS.4.G.A.3

Front

What is a polygon?

Back

A polygon is a closed figure with straight sides, such as a triangle or rectangle.

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CCSS.2.G.A.1

Front

What is the sum of the interior angles of a triangle?

Back

The sum of the interior angles of a triangle is always 180 degrees.

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CCSS.8.G.A.5

Front

What is a quadrilateral?

Back

A quadrilateral is a polygon with four sides.

Tags

CCSS.2.G.A.1

Front

What is the sum of the interior angles of a quadrilateral?

Back

The sum of the interior angles of a quadrilateral is always 360 degrees.

Front

What is a vertex in geometry?

Back

A vertex is a point where two or more lines meet, forming an angle.