
Area & Perimeter
Presentation
•
Mathematics
•
3rd Grade
•
Medium
Standards-aligned
Brittany Bresnan
Used 500+ times
FREE Resource
9 Slides • 8 Questions
1
Area & Perimeter
2
Area
The amount of space a shape takes up
3
When do we solve for area?
When we want to know how much space a shape takes up.
4
Multiple Choice
What is the area?
14 square feet
14 square yards
40 square feet
40 square yards
5
Multiple Choice
What is the area of the rectangle.
32
32 feet
32 square units
32 square feet
6
When do we need to find the area?
Solving how much paint we need to paint a wall
Solving how much flooring we need to cover a floor
Solving how big a blanket needs to be to fit a bed
Solving for a case to fit on a phone or tablet
7
Multiple Choice
Eriasia wanted to put down new tile in her bathroom. Her bathroom had a width of 10 ft and a width of 9 feet. How many square feet of tile should she buy?
90 square feet
19 square feet
38 square feet
8
Perimeter
The distance AROUND a polygon
9
When do we need to find the perimeter
Solving how much fence we need to go around a yard
Solving how many tiles are needed to go around a swimming pool
Solving how long a race track is around a field
Solving how long the boundaries are around a soccer field
10
How do we find perimeter?
We find perimeter by counting the units around the shape or adding the length of all of the sides together
11
12
Multiple Choice
What is the perimeter of this shape?
4 units
10 units
20 units
6 units
13
You can also add the sides together to find the perimeter.
14
Multiple Choice
What is the PERIMETER of this shape?
20 inches
21 inches
14 inches
6 inches
15
Multiple Choice
What is the perimeter of this shape?
20 cm
40 cm
8 cm
28 cm
16
Open Ended
What is the perimeter of this shape? **Don't forget your units
17
Open Ended
What is the perimeter of this shape? **Don't forget your units
Area & Perimeter
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