Measuring Angles with A Protractor

Front

What is an acute angle?

Back

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

Tags

CCSS.4.G.A.1

Front

What is an obtuse angle?

Back

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

Tags

CCSS.4.G.A.1

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

What is a straight angle?

Back

A straight angle is an angle that measures exactly 180 degrees.

Tags

CCSS.4.G.A.1

Front

How do you measure an angle with a protractor?

Back

To measure an angle with a protractor, align the protractor's baseline with one side of the angle, then read the measurement where the other side crosses the protractor.

Tags

CCSS.4.MD.C.6

Front

What is the measurement of a right angle?

Back

The measurement of a right angle is 90 degrees.

Tags

CCSS.4.G.A.1

Front

If an angle measures 132 degrees, what type of angle is it?

Back

It is an obtuse angle.

Tags

CCSS.4.G.A.1

Front

If an angle measures 86 degrees, what type of angle is it?

Back

It is an acute angle.

Tags

CCSS.4.G.A.1

Front

What is the measurement of an acute angle?

Back

An acute angle measures less than 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is the measurement of an obtuse angle?

Back

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

Tags

CCSS.4.G.A.1