Angles and Protractor Lesson for 5th Grade

What is the definition of a right angle?

• An angle that measures 45 degrees

• An angle that measures 270 degrees

• An angle that measures exactly 90 degrees.

• An angle that measures 180 degrees

Tags

CCSS.4.G.A.1

How many degrees are there in a straight angle?

• 360 degrees

• 180 degrees

• 270 degrees

• 90 degrees

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Name the type of angle that is greater than 90 degrees but less than 180 degrees.

• Acute angle

• Straight angle

• Right angle

• Obtuse angle

Tags

CCSS.4.G.A.1

If an angle measures 30 degrees, what type of angle is it?

• Acute angle

• Straight angle

• Obtuse angle

• Right angle

Tags

CCSS.4.G.A.1

What is the sum of angles in a triangle?

• 360 degrees

• 270 degrees

• 90 degrees

• 180 degrees

Tags

CCSS.8.G.A.5

How do you measure an angle using a protractor?

• Use a ruler to estimate the angle

• Align one side of the angle with the zero line of the protractor and read the number where the other side intersects the scale.

• Close your eyes and guess the angle

• Count the number of lines on the protractor

Tags

CCSS.4.MD.C.6

If an angle measures 120 degrees, what type of angle is it?

• Obtuse angle

• Right angle

• Straight angle

• Acute angle

Tags

CCSS.4.G.A.1

What is the definition of an acute angle?

• An acute angle measures less than 90 degrees.

• An acute angle has no defined measurement.

• An acute angle is exactly 90 degrees.

• An acute angle measures more than 90 degrees.

Tags

CCSS.4.G.A.1

What is the definition of an obtuse angle?

• An obtuse angle is an angle that measures less than 90 degrees.

• An obtuse angle is an angle that measures exactly 90 degrees.

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

• An obtuse angle is an angle that measures more than 180 degrees.

Tags

CCSS.4.G.A.1

If an angle measures 90 degrees, what type of angle is it?

• Obtuse angle

• Acute angle

• Straight angle

• Right angle

Tags

CCSS.4.G.A.1