Vocabulary
Types of Lines
Shapes
Points, Lines, and Rays
Symmetry
100
An angle that measures more than 90 degrees.

What is an obtuse angle?

100

Two line that never intersect

What are parallel lines?

100

This shape has 2 sets of parallel lines, opposite sides are equal and 4 right angles.

What is a rectangle?

100

an exact location in space

What is an endpoint?

100

the letter W has many lines of symmetry?

What is one?

200

This lines has one end point and continues in one direction without end

What is a ray?

200

2 lines that only touch once

What are intersecting lines?

200

All angles of a square are..?

What are right angles?

200

a line that continues forever in both directions.

What is a line?

200

A square has how many lines of symmetry?

What is 4?

300

An angle that measure 90 degrees.

What is a right angle?

300

A set of lines that when they touch form a right angle.

What are perpendicular lines?

300

This shapes has at least one set of parallel lines and four sides.

What is a trapezoid?

300

A line that has 2 endpoints.

What is a line segment?

300

What does it mean if a shape has symmetry?

That the shape can be folded along the line of symmetry and the parts match?

400

an imaginary line on a shape that when folded the two parts match exactly

What is the line of symmetry?

400

When looking at a rectangle the two length sides are an example of what type of lines?

What are parallel lines?

400

This shape has 6 sides.

What is a hexagon?

400

Draw a ray and label it CD.

pictures will vary.

400

True or false: The letter D has a line of symmetry that is vertical.

What is false?

500

an angle that measures less than 90 degrees.

What is an acute angle?

500

Where the two sides of a square meet and make a 90 degree angle are an example of what type of lines?

What are perpendicular lines?

500

What is a shape with 2 sets of parallel lines, 4 sides of equal length and 4 right angles?

What is a square?

500

Draw a line and label it XY.

Check picture.
500

A smiley face has a line of symmetry that is ...?

What is vertical?