Geometry
Angles, shapes, area, perimeter and the logic of space.
01Angles and angle factsNames of angles, angles on a line and around a point, and angles formed by parallel lines.Read lesson →02Triangles and quadrilateralsProperties of 2D shapes, angle sums in triangles and quadrilaterals, and symmetry.Read lesson →03Perimeter and areaPerimeter and area of rectangles, triangles, trapezia and compound shapes.Read lesson →04Circles and piCircumference and area of circles, with pi as the link between diameter and circumference.Read lesson →