Area
What is the formula for area of a rectangle?
length times width
How do you find the perimeter of a rectangle?
Measure all sides and add them together.
What is the formula for volume?
l x w x h
or
B x h
Mary and Tom walked around the neighborhood and back to their house. After their walk they wanted to find the distance of how far they walked. Were they finding perimeter, area, or volume by measuring their walk distance?
Perimeter.
What is the definition of area?
What is the definition of perimeter?
The line forming the boundary of a closed object.
What is the definition of volume?
The amount of space an object takes up.
20 strips of carpet.
What is the area of an object with a length of 12 inches and a width of 6 inches?
72 inches2
What is the perimeter of an object with 2 sides that measure 13 inches and 2 other sides that measure 21 inches?
68 inches
What is the volume of an object with a length of 10 cm, a width of 5 cm and a height of 3 cm?
150 cm3
Tom and Bill were filling the trunk with boxes. The trunk measured 2 feet by 5 feet by 5 feet. The boxes measured 5 feet by 2 feet by 1 foot. How many boxes could fit in the trunk?
Which situation would you find area for? Buying a pool cover or filling a pool with water?
Buying a pool cover.
Which situation would you find perimeter for? Building a fence or laying carpet in a room.
Building a fence.
Which situation would you need to find volume for? Filling a storage garage with boxes or mowing the lawn?
Filling a storage garage with boxes.
Sara and Sally knew the volume of the box was 150 feet3 , the length was 10 feet, and the height was 3 feet. What was the width?
r2 x 3.14
or
r2 x pi
What do we call the perimeter around a circle?
How would we find the volume of a cylinder? (Very hard!)
Find the area of the circle of the base and multiply it by the height.
Peter and Tom have a shed. The floor of the shed measures 96 feet2. The length of the shed is 8 feet, what is the width of the shed?
12 feet