Math Vocabulary - Lines and Angles

Lines that will never intersect

• parallel lines

• perpendicular lines

• right angle

• intersecting lines

Tags

CCSS.HSG.CO.A.1

Lines that intersect and form a right angle

• parallel lines

• perpendicular lines

• right angle

• intersecting lines

Tags

CCSS.HSG.CO.A.1

An angle that is less than 90 degrees

• straight angle

• right angle

• acute angle

• obtuse angle

Tags

CCSS.4.G.A.1

An angle that is greater than 90 degrees

• straight angle

• right angle

• acute angle

• obtuse angle

Tags

CCSS.4.G.A.1

An angle that is EXACTLY 90 degrees and forms a square corner

• straight angle

• right angle

• acute angle

• obtuse angle

Tags

CCSS.4.G.A.1

An angle that measures EXACTLY 180 degrees

• straight angle

• right angle

• acute angle

• obtuse angle

Tags

CCSS.4.G.A.1

Name the figure.

• ray
• line
• line segment
• point

Tags

CCSS.4.G.A.1

What is the term for a part of a line with two endpoints?

• point
• ray
• angle
• line segment

Tags

CCSS.HSG.CO.A.1

What is the term for a part of a line that has one endpoint and goes on endlessly in one direction?

• line
• line segment
• ray
• angle

Tags

CCSS.4.G.A.1

What is the best term to describe this image?

• intersecting lines
• perpendicular lines
• parallel lines
• arrows

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1