![Finding Perimeter. Javier and his dad are painting a wall in the family room. The wall is 8 feet high and 10 feet wide. It has a door that is 7 feet high and 3 feet wide. ,[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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Semelhante a Area and perimeter review f
Semelhante a Area and perimeter review f (20)
Area and perimeter review f
- 1. Area and Perimeter Review We will use measurement concepts to solve problems involving perimeter and area. Presentation created by: Jorge Garcia 4th. Grade Bilingual Eisenhower Elementary 01/17/2011
- 3. mmm… …since the perimeter is the distance around the outside of a shape, we first must measure each of the sides of the shape, and then add them all. 2 units 3 units 1 unit 5 units 3 units 4 units Perimeter = 4 +3 +2 +5 +3 +1 =18 units
- 5. Remember, the area of a figure is the number of square units that cover its surface! 10 units 10 units
- 6. So area of this figure is …. 10 units 10 units 10 units 10 units X = 100 square units Area =
- 7. How do we find the area of the wall? We cut the irregular shape into two or more regular shapes. 2. Can you see where you could cut the wall so you end up two rectangles? Now you have to determine how you can find the missing measurements for each one of the two pieces. Can you do it?
- 8. Remember, the area of a figure is the number of square units that cover its surface! Let’s start working!