These guys are 2D shapes and 2D shapes are everywhere. Shapes have sides and corners and are completely flat, like a drawing on a piece of paper. Circles don’t have corners and have got just one long ...

2D shapes are flat, plane shapes. Triangles have three sides and three angles that add up to 180°. Quadrilaterals have four sides and four angles that add up to 360°. Constructing triangles Learn how ...

Shapes are great fun. We see them everywhere! See if you can spot shapes in the objects around you. Can you see any 2-D shapes such as squares, rectangles, triangles, circles, semicircles, ovals? For ...

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 ...