Equal Portions

Cut various quadrilaterals into equal portions.

Square Numbers

Explore the sequence of square numbers.

Angle Bisector

Explore relationships of parallelograms with angle bisectors.


Tile a square patio with square tiles.


Explore transformations of quadrilaterals.

Exploring Rectangle Properties

Draw different rectangles and explore what happens when you change their properties.

Dividing a Rectangle

Divide a rectangle into three triangular regions.

Spiraling Rectangle

Find the area of the given rectangle.

Double Trouble

Construct a square that has twice the perimeter as another square.

Triangles in a Trapezoid

Determine the relationships between the areas of triangles formed by the diagonals of a trapezoid.