Geometry
See how shapes, measurement, area, and perimeter fit together in the world around you. Follow a few lessons in order, or choose the question that brought you here.
Geometry
Hockey Rink Geometry: Area, Perimeter, and Scale Drawings
Use a hockey-rink model to practise rectangles, circles, area, perimeter, and scale without losing sight of what each measurement means.
6 min readRead articleGeometry
Area and Perimeter: How to Measure the Space Around and Inside a Shape
Learn the difference between area and perimeter, choose the right units, and use rectangle, triangle, and circle formulas with confidence.
7 min readRead article