Quadralateral

A quadralateral is a polygon with 4 sides.
A quadralateral has 4 angles that add up to 360 degrees

Parallelogram

A quadralateral that has opposite sides that are parallel and of equal length.
Opposite angles are equal

Rectangle

A rectangle is a parallelogram
A quadralateral with four angles of equal size (right angles).
A rectangle is a parallelogram with right angles

Square

A square is a parallelogram
A quadralateral with four angles of equal size (right angles) and four sides of equal length
A square is a regular quadrilateral

Kite

A quadrilateral that has two adjacent sides of equal length and the other two sides of equal length
Two sets with sides of equal length
one set of opposite angles are equal

Rhombus

A rhombus is a special type of kite
A parallelogram with four sides of equal length.
A diamond is an example of a rhombus

Trapezium

A quadrilateral with two parallel sides
Only one pair of parallel sides
An isosceles trapzium has two non parallel sides the same length