1. On or Around? Introducing Area & Perimeter

2. Area or Perimeter? Digger (real name) is building a dome to cover his garden. He is covering triangle frames with plastic sheeting. How much plastic does he need to cover each triangle. Does he need to figure out area or perimeter? Area

3. Area or Perimeter? The wooden boards around the edge of the tennis court need to be replaced. We need to buy wood for the project. Do we need to measure area or perimeter? Perimeter.

4. Area or Perimeter? This man needs to buy fertilizer for his yard. He need to know how big his yard is so he can buy the correct amount of fertilizer. Does he need to measure area or perimeter? Area

5. Area or Perimeter? You work for a company that makes solar pool covers. You need to measure around the pool for the frame and also how much material you will need for the cover itself. Frame - area or perimeter? Perimeter Pool cover – area or perimeter? Area

6. Area or Perimeter? Is it possible to find the perimeter of a shape like this? Explain. Is it possible to find the area of a shape like this? Explain.

7. Finding Perimeter & Area Perimeter is the distance all the way around the edge of an object. Black line or red space? Black line. Area is the flat surface of an object. We determine area by counting how many square units (inches, feet, miles, etc.) the shape covers. Black line or red space? Red space.

8. Finding Perimeter & Area Which shape would be easiest to count up the squares? Why? What is the formula for area of the square or rectangle? L x W Other shapes have specific formulas for calculating area. Most formulas will be found on the GED math formula sheet. This will be covered more in depth later in math.