Calculating the perimeter of a block of land is a crucial skill for working in construction. This video explains the basic formula for perimeter and how it can be applied to calculate the length of fencing required for a construction site, as well as calculating the amount of materials to purchase for the job. Clean, clear graphics show multiple methods and working out to assist learners at every step. A valuable resource for vocational learners interested in joining the construction industry but needing to practise their numeracy skills.