Area
What is the formula for area?
A = length x width
What type of math do you use for a perimeter problem?
Addition
Length: 12 meters
Width: 12 meters
Area: ?
144 square meters
Length: 7 feet
Width: 17 feet
Perimeter: ?
48 feet
Sally's pool table has an area of 36 square feet. The length of the pool table is 9 feet. What is the width of the pool table?
4 feet
What type of math do you use for an area problem?
Multiplication
Length: 41 meters
Width: 23 meters
Area: ?
943 square meters
Length: 25 feet
Width: 19 feet
Perimeter: ?
88 feet
Ben is painting his room. He has painted 3 walls. Each wall has dimensions of 13 by 8 feet. What is the total area that Ben has already painted?
312 square feet
What are all the possible dimensions for a rectangle or square with an perimeter of 12 centimeters?
1 by 5 centimeters
2 by 4 centimeters
3 by 3 centimeters
Length: 12 meters
Width: ?
Area: 84 square meters
7 meters
Length: 15 feet
Width: ?
Perimeter: 56 feet
13 feet
Mike is taking measurements of different rooms in his house. The bonus room has an area of 72 square feet. The length of the room is 8 feet. What is the perimeter of the room?
34 feet
What are all the possible dimensions for a rectangle or square with an area of 36 square centimeters?
1 by 36 centimeters
2 by 18 centimeters
3 by 12 centimeters
4 by 9 centimeters
6 by 6 centimeters
Length: ?
Width: 8 meters
Area: 128 square meters
16 meters
Length: ?
Width: 17 feet
Perimeter: 78 feet
22 feet
Hannah and Sally are planting gardens. Hannah's garden is 2 by 8 feet long. Sally's garden is 4 by 4 feet long. They want to put fencing around their gardens. Who will need more fencing?
Hannah
What is different about units of area compared to units of perimeter?
Units of area are "square units"