Measuring Angles - 4th Grade

Front

What is a protractor used for?

Back

A protractor is used to measure 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 measures less than 90 degrees?

Back

Acute angle.

Tags

CCSS.4.G.A.1

Front

What type of angle measures exactly 90 degrees?

Back

Right angle.

Tags

CCSS.4.G.A.1

Front

What type of angle measures more 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

What is the measure of an acute angle?

Back

Less than 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is the measure of an obtuse angle?

Back

More than 90 degrees and less than 180 degrees.

Tags

CCSS.4.G.A.1

Front

What is the term for angles that add up to 90 degrees?

Back

Complementary angles.

Tags

CCSS.7.G.B.5

Front

What is the term for angles that add up to 180 degrees?

Back

Supplementary angles.

Tags

CCSS.7.G.B.5