Eureka Math Grade 4 Module 4 Mid Module Review

Front

What is a vertex?

Back

A point where two or more lines meet, forming a corner.

Front

What is an obtuse angle?

Back

An angle that measures more than 90 degrees.

Front

What is an acute angle?

Back

An angle that measures less than 90 degrees.

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees.

Front

What is a straight angle?

Back

An angle that measures exactly 180 degrees.

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Front

What is a ray?

Back

A part of a line that has one endpoint and extends infinitely in one direction.

Front

What are parallel lines?

Back

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

Front

What are vertical lines?

Back

Lines that go up and down, perpendicular to the ground.

Front

What is a transversal?

Back

A line that crosses two or more other lines.