Ages 7–11
Perimeter
Measure the distance around a shape.
Ages 7–11
Area of Rectangles
Calculate the area of rectangles and squares.
Ages 8–12
Area of Triangles
Calculate the area of triangles.
Ages 9–13
Area of Parallelograms
Calculate the area of parallelograms.
Ages 10–14
Compound Shapes
Find the area of shapes made by combining simple shapes.
