Find out about regular 2D shapes and irregular polygons. Types of triangle Find out about scalene, equilateral, isosceles and right-angled triangles. Parts of a circle Discover the features of a ...

Julia does a mirrors-on activity, sings a song, and uses examples to sort 2D figures. In this lesson, Julia does a mirrors-on activity, sings a song, and uses anchor charts and images of real-life ...

Two-dimensional (2D) shapes are completely flat. They cannot be picked up. A polygon is a 2D shape with straight sides that meet at vertices. Polygons have names that show the number of sides they ...