Dottie, the red bug, walked too far by wobbling all over the line. You must follow the edge of the shape exactly to find the perimeter. 2. Don't cut any corners. Trio, the yellow bug, cut corners by ...

The area of a shape is the size of its two dimensional surface. When a square measures 1 cm by 1 cm, we say it has an area of 1 cm 2 (centimetre squared). This rectangle covers 15 squares so it has an ...