Basic 5Mathematics20 min

Perimeter and Surface Area Lab

Learners estimate and calculate fence lengths and surface coverings for classroom displays.

Measure the edge and cover the face.

The class builds a display board. They need the border length and the paper needed to cover the surface.

Perimeter and Surface Area Lab illustration

Learners estimate and calculate fence lengths and surface coverings for classroom displays.

Find the perimeter of a 5 by 4 rectangle.

  1. Add all outside edges: 5 + 4 + 5 + 4.
  2. The perimeter is 18 units.