4th Grade Geometry

Front

What is a ray?

Back

A ray is a part of a line that starts at a point and extends infinitely in one direction.

Tags

CCSS.4.G.A.1

Front

What is a line?

Back

A line is a straight path that extends infinitely in both directions.

Tags

CCSS.4.G.A.1

Front

What is a line segment?

Back

A line segment is a part of a line that has two endpoints.

Tags

CCSS.HSG.CO.A.1

Front

What is a point?

Back

A point is a specific location in space that has no size or dimension.

Tags

CCSS.4.G.A.1

Front

What is an angle?

Back

An angle is formed by two rays that share a common endpoint.

Front

What is a straight angle?

Back

A straight angle measures 180 degrees.

Tags

CCSS.4.G.A.1

Front

What is a right angle?

Back

A right angle measures 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is a protractor used for?

Back

A protractor is used to measure angles in degrees.

Tags

CCSS.4.MD.C.6

Front

What does it mean for lines to be parallel?

Back

Parallel lines are lines that never intersect and are always the same distance apart.

Tags

CCSS.HSG.CO.A.1

Front

What is a perpendicular line?

Back

Perpendicular lines are lines that intersect at a right angle (90 degrees).

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1