Area
What is the formula for area?
A = length x width
What is the formula for perimeter?
add all sides
Tom has a poster with a length of 5 feet and a width of 3 feet. He wants to put a wooden frame around the poster. What length of wood will Tom need to frame his poster?
16 feet
What type of math do you use for a perimeter problem?
Addition
If I'm buying carpet for a room, do I need to know the area or perimeter?
Area
Length: 14 meters Width: 7 meters Area: ?
98 square meters
Rectangle
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
74 x 56 =
4,144
Length: 41 meters Width: 23 meters Area: ?
943 square meters
Rectangle
Length: 25 feet Width: 19 feet Perimeter: ?
88 feet
What is the definition of perimeter?
Total of all sides added
If I'm putting up a fence, do I need to know area or perimeter?
Perimeter
Length: 12 meters Width: ? Area: 84 square meters
7 meters
Rectangle
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 is the definition of area?
Space inside
What are all the possible dimensions for a rectangle or square with an area of 36 square centimeters?
1 x 36
2 x 18
3 x 12
4 x 9
6 x 6
Length: ? Width: 8 meters Area: 128 square meters
16 meters
Rectangle
Length: ? Width: 17 feet Perimeter: 78 feet
22 feet
Hannah and Sally are planting gardens. Hannah's garden is 2 x 8 feet long. Sally's garden is 4 x 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"
What is Mrs. Martin's favorite dessert/baked good?
Brownies!!!!