Lines
Angles
2D Shapes
100
Lines that never touch and always are the same distance from each other.
What are parallel lines?
100
An angle that measures less than 90 degrees is called this.
What is an acute angle?
100
A two dimensional figure with six sides.
What is a hexagon?
200
Lines that cross each other but do not form a 90 degree angle.
What is intersecting lines?
200
The corner of a regular piece of paper forms this type of angle.
What is a right angle?
200
Where two sides meet on a two dimensional shape.
What is a vertex?
300
Lines that cross each other AND form 90 degree right angles.
What is perpendicular lines?
300
If your sister can ALMOST do the splits, but not quite, her legs would form this type of angle.
What is obtuse angle?
300
A quadirilateral that has only 1 pair of parallel sides.

What is a trapezoid?

400
The street next to your that runs in the same direction as your street but never meets would be an example of this type of line.
What are parallel lines?
400
If the time is 6:40 on a clock, it would form this type of angle.
What is acute angle?
400

Examples of this word include square, pentagon, rhombus, but DOES NOT include a circle.

What is a polygon(poly- means "many" and -gon means "sides")?

500
A straight angle is a straight line and measures this amount of degrees.
What is 180 degrees?
500
A parallelogram has these types of angles.
What is 2 acute angles and 2 obtuse angles?
500

A triangle that has all sides the same length and all angle the same measure.

What is an equilateral triangle?