Name that shape!
Quadrilaterals
Amazing Angles
Lines!
Triangles
100

This figure has 3 sides.

What is a triangle?

100

This quadrilateral has only one set of parallel sides.

What is a trapezoid?

100

An angle is formed when these two things meet. 

What are rays?

100

Lines that intersect at right angles to each other.

What are perpendicular lines?

100

This triangle has NO equal sides or angles.

What is a scalene triangle?

200

This figure has five sides.

What is a pentagon?

200

This figure has 4 equal sides and 4 right angles.

What is a square?

200

The point where two rays meet to form an angle.

What is a vertex?

200

These lines cross over one another. 

What are intersecting lines?

200

This triangle has 3 equal sides and angles.

What is an equilateral triangle?

300

This is a 6-sided figure.

What is a hexagon?

300

The whiteboard is what kind of quadrilateral?

What is a rectangle?

300

These are angles that measure greater than 90 degrees.

What are obtuse angles?

300

A section of a line that contains two endpoints.

What are line segments?

300

A triangle that has 2 equal sides and angles.

What is an isosceles triangle?

400

This figure has 8 sides and is shaped like a stop sign.

What is an octagon?

400

This figure has 4 equal sides and 4 right angles, but is not a square. 

What is a rhombus?

400

These are angles that measure less than 90 degrees. 

What are acute angles?

400

A line that has one endpoint and then a continuous line. 

What is a ray?

400

A right triangle has one angle that is exactly how many degrees?

What is 90 degrees?

500

This figure has ten sides.

What is a decagon?

500

This shape has no sides and is not a polygon.

What is a circle?

500

This shape has 3 angles.

What is a triangle?

500

These are used at the ends of lines to indicate that is what they are. 

What are arrows?

500

 This triangle.

What is an isosceles triangle?