shapes
lines
angles
triangles
3D
100


A closed shape

Only straight line segments (not round)

Can be regular (all sides same length)

Or Irregular (sides are different lengths)







POLYGONS


100

Two lines that will never intersect


parallel Lines


100

Angles that share a ray

Adjacent Angles

100


A type of triangle 

With all acute angles 


Acute triangles

100


For 3D shapes

Points/Corners where three edges meet



Vertices (3D)

200

A Quadrilateral 

A Parallelogram

Four equal length sides

Opposite angles same

Includes squares

Rhombus

200

lines that cross



Perpendicular Lines

200


Adjacent angles that make a 180 degree angle



Supplementary Angles


200


A type of triangle

With one Obtuse angle


Obtuse triangles

200


For 3D shapes

A line segment where two faces meet



Edges (3D)

300

A quadrilateral with

Two sets of parallel sides

Each set is equal in length

Includes rectangles, squares, rhombus

Parallelograms

300

straight line, never ends in either direction

Line

300


Adjacent Angles that make a 90 degree angle



Complementary Angles


300


A type of triangle

With one Right Angle


Right triangles

300


 What is this shape?




A cube


400

A Quadrilateral 

Two pairs of congruent sides that are 

Adjacent to each other.

Not a parallelogram

Two diagonals are perpendicular

The diagonals are not the same length

Kites

400

part of a line. Has two endpoints

Line Segment

400


Angles that are made when two lines intersect.

They are always Congruent / same


Vertical Angles

400

A type of triangle

Sides are all different lengths

And all different angles


Scalene

triangles


400


What shape is this?








A Triangular Prism

500


A Quadrilateral

Only ONE set of parallel sides


Trapezoids

500

 has one endpoint.  

Ray

500

same angles

  Congruent angles

500

A type of triangle

With equal length sides

And same size angles


Equilateral

triangles


500


For 3D shapes

The flat surface of a 3D shape


Faces (3D)