Protractor Practice

Front

What is a protractor?

Back

A tool that measures angles.

Tags

CCSS.4.MD.C.6

Front

What is the measure of a right angle?

Back

90 degrees.

Tags

CCSS.4.G.A.1

Front

What type of angle is less than 90 degrees?

Back

Acute angle.

Tags

CCSS.4.G.A.1

Front

What type of angle is exactly 90 degrees?

Back

Right angle.

Tags

CCSS.4.G.A.1

Front

What type of angle is greater than 90 degrees but less than 180 degrees?

Back

Obtuse angle.

Tags

CCSS.4.G.A.1

Front

What is the measure of a straight angle?

Back

180 degrees.

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Front

How do you use a protractor to measure an angle?

Back

Align the baseline of the protractor with one side of the angle and read the measurement where the other side crosses the scale.

Tags

CCSS.4.MD.C.6

Front

What is the sum of angles in a triangle?

Back

180 degrees.

Tags

CCSS.8.G.A.5

Front

What is an angle?

Back

A figure formed by two rays with a common endpoint called the vertex.

Front

What is a full rotation in degrees?

Back

360 degrees.

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1