Geometry 4th Grade

Front

What are parallel lines?

Back

Lines that never meet and are always the same distance apart.

Front

How many pairs of parallel lines are in a rectangle?

Back

2 pairs of parallel lines.

Front

What is an acute angle?

Back

An angle that is less than 90 degrees.

Front

What is a right angle?

Back

An angle that is exactly 90 degrees.

Front

What is an obtuse angle?

Back

An angle that is greater than 90 degrees but less than 180 degrees.

Front

What is a straight angle?

Back

An angle that is exactly 180 degrees.

Front

What is symmetry?

Back

When one shape becomes exactly like another if you flip, slide, or turn it.

Front

How many lines of symmetry does a square have?

Back

4 lines of symmetry.

Front

What is a line of symmetry?

Back

A line that divides a shape into two identical parts.

Front

What is a polygon?

Back

A closed shape with straight sides.