Polygons
Triangles
Angles
Vocabulary
100
I am a shape with 3 sides and 3 vertices.
A triangle
100
I am a triangle with 3 equal sides. Who am I?
An equilateral triangle
100
I am an angle always straight. if you put 4 of use together, you will get a square. Carpenters use me all the time, or else their houses will be leaning and will soon fall. My angle always measures a perfect 90 degrees.
right angle
100
I am a corner. I can be wide or I can be narrow. Angles and I are best friends. Who am I?
Vertex
200
I am a shape that has 5 sides and 5 vertices.
A pentagon
200
I am a specific triangle that is determined by my sides. I look like this. What is my name?
An Isosceles Triangle
200
I am an angle that is small and cute. I live in between 0 and 90 degrees. If I get any bigger I get kicked out of this clan and given another name. What angle am I?
acute angle
200
I am any shape made with connecting lines. Who am I?
Polygon
300
This polygon is called ____________ 
Hexagon
300
I am a triangle that never matches. All my sides are different. Who am I?
A scalene triangle
300
I am an angle that is nice an big. Sitting up straight is hurtful a bit, so I like to recline a bit more in my lounging chair until I am in a comfortable slant. Who am I?
obtuse angle
300
We are 2 lines that never intersect. Just like the railroad tracks, we are straight and perfect. Who are we?
Parallel lines
400
I am a shape with 8 sides and 8 vertices. Who am I?
Octagon
400
I am a triangle that looks like a pizza slice. I like small angles that are less than 90 degrees. People call me by my angles. What is my name?
An acute triangle
400
It is 5:00 on the analog clock. What angle did the two hands create?
obtuse angle
400
I am a prefix (the beginning of a word) that means 9.
Nona-
500
I have 4 sides and 4 vertices. I can be many different shapes. I often have sets of parallel lines and right angles. Who am I?
A quadrilateral
500
I am a triangle that likes big things. Even one of my angles is greater than 90 degrees. You can often find me right underneath the roof on a house. Who am I?
An obtuse triangle
500
When you put 2 right angles together, you get me. What angle am I?
straight angle
500
I am made by 2 connecting lines. I am the space between those 2 lines. I am measured in degrees. Who am I?
An angle