Perimeter
Bob has to buy 12 square metres of carpet. Each square meter cost 5 dollars. He has 48 dollars. Does he have enough money to buy the carpet needed?
What is no? He needs 5 x 12 = 60 dollars
A square room has a width of 10 m. How many square metres of flooring is needed for that room?
What is 100 square metres?
Mr. Horst wants to put a fence around the playground. The sides are 100 m and 300 m and it is a rectangle. How many metres of fence will he need?
What is 800m ?