Eureka Math Grade 4 Module 4 Mid Module Review

Front

What is a protractor used for?

Back

A protractor is used to measure angles.

Front

What is the measure of a 35-degree angle?

Back

35 degrees.

Front

What type of angle measures 127 degrees?

Back

127 degrees is an obtuse angle.

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Front

What is a line?

Back

A line is a straight one-dimensional figure that extends infinitely in both directions.

Front

What is a ray?

Back

A ray is a part of a line that has a fixed starting point and extends infinitely in one direction.

Front

What is a line segment?

Back

A line segment is a part of a line that has two endpoints.

Front

What is the measure of a right angle?

Back

A right angle measures 90 degrees.

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.

Front

What is the sum of angles in a triangle?

Back

The sum of angles in a triangle is always 180 degrees.