Points, Rays, Lines, Line Segments, and Angles

What is this?

• Line segment

• Ray

• Point

• Line Segment

Tags

CCSS.4.G.A.1

What is this?

• Angle

• Line

• Line Segment

• Ray

Tags

CCSS.4.G.A.1

This is what kind of angle?

• right

• acute

• obtuse

• straight

Tags

CCSS.4.G.A.1

What type of angle is shown?

• acute

• obtuse

• right

• straight

Tags

CCSS.4.G.A.1

What is the measurement of a right angle?

• 70

• 80

• 90

• 180

Tags

CCSS.4.G.A.1

What is the definition of an acute angle?

• Lines that intersect to form right angles.

• An angle that is open more than a right angle but less than a straight angle. This angle measures between 90 and 180 degrees.

• An angle that forms a square corner and has a measure of 90 degrees.

• An angle that is open less than a right angle and has a measure less than 90 degrees.

Tags

CCSS.4.G.A.1

Define Acute

• Less than 90

• Exactly 90

• Greater than 90 and less than 180

• Exactly 180

Tags

CCSS.4.G.A.1

Define Right Angle

• Less than 90

• Exactly 90

• Greater than 90 and less than 180

• Exactly 180

Tags

CCSS.4.G.A.1

What is this tool called and what is it used for?

• A ruler used to measure lines.

• A protractor used to measure lines.

• A ruler used to measure angles.

• A protractor used to measure angles.

Tags

CCSS.4.MD.C.6

Which angle measures about 20 degrees?

• 
• 
• 
• 

Tags

CCSS.4.MD.C.6