shapes and
lines
shapes
triangles and lines
angles and vertices
faces and edges
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


A Quadrilateral

Only ONE set of parallel sides


Trapezoids

100


A type of triangle

With one Right Angle


Right triangles

100


Adjacent Angles that make a 90 degree angle



Complementary Angles


100


For 3D shapes

A line segment where two faces meet




Edges (3D)



500


A quadrilateral with

Two sets of parallel sides

Each set is equal in length

Includes rectangles, squares, rhombus



Parallelograms

500


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

500


A type of triangle

With one Obtuse angle


Obtuse triangles

500


Adjacent angles that make a 180 degree angle



Supplementary Angles


500

For 3D shapes

The flat surface of a 3D shape

Faces (3D)

700


Lines that cross, making four right angles


Perpendicular Lines

700


A type of triangle

With equal length sides

And same size angles




Equilateral

triangles


700


A type of triangle 

With all acute angles 

(e.g. equilateral triangles are always acute angles)



Acute triangles


700


Angles that are made when two lines intersect.

They are always Congruent / same


Vertical Angles

700


A Cube


Vertices: 8

Edges: 12

Faces: 6



 What is this shape?


How many Vertices/Edges/Faces?



900


Two lines that will never intersect



Parallel Lines

900


A type of triangle

With two sides the same

And two angles the same




Isosceles 

triangles


900


Line - straight line, never ends in either direction


Line Segment - part of a line. Has two endpoints


Ray - has one endpoint.  


Line 

Line Segment 

Ray


900


        Congruent means “same”


Congruent

Angles 

900


A Square Pyramid


Vertices: 5

Edges: 8

Faces: 5



What shape is this with a square base?  

How many Vertices/Edges/Faces?


1000


A Quadrilateral 

A Parallelogram

Four equal length sides

Opposite angles same

Includes squares



Rhombus

1000

A type of triangle

Sides are all different lengths

And all different angles



Scalene triangles


1000


Angles that share a ray




Adjacent Angles

1000


For 3D shapes

Points/Corners where three edges meet



 Vertices (3D)

1000


A Triangular Pyramid 

Or A Tetrahedron


Vertices:4

Edges: 6

Faces: 4 



What shape is this with a triangle base?


How many Vertices/Edges/Faces?