Perimeter
What is the perimeter?
The outside of a 2-dimensional shape.
When you measure area, what part of the shape are you measuring?
Inside
When you're measuring volume, what exactly are you measuring?
The inside of a 3-dimensional shape.
When you measure surface area, what exactly are you measuring?
Are decimals and fractions less than one or greater than one?
Less than one.
What is an example of using perimeter in real life?
Answers vary.
Ex. Building a fence.
What is an example in real life of when area is measured?
Answers vary.
Ex. Measuring the square footage of a floor.
Give an example of when volume is measured in real life.
Ex. When determining how much water you need to fill a pool.
Answers vary.
Ex. When determining how much wrapping paper you need to wrap a present.
Convert:
1/2 to a decimal
0.5
What is the perimeter of a rectangle that is 5 ft by 7 ft?
24 feet
What is the area of a rectangle that is 6 feet by 9 feet?
54 feet squared
What is the volume of a rectangular prism that is 5 feet wide, 4 feet long, and 3 feet high?
60 feet cubed
What is the surface area of a rectangular prism that has faces with areas as follows:
15 feet, 10 feet, 5 feet, 15 feet, 10 feet, 5 feet
60 feet squared
Convert:
1/4 to a decimal
0.25
What is the perimeter of a rectangle that is 15 ft by 10 feet?
50 feet
What is the area of a triangle that has a base of 7 feet and a height of 4 feet?
14 feet squared
What is the volume of a rectangular prism that is 10 feet long, 7 feet wide, and 8 feet high?
560 feet cubed
What is the surface area of a rectangular prism that is 5 feet wide, 3 feet long, and 2 feet high?
62 feet squared
0.20
1/5
What is the perimeter of an octagon that is 5 feet on each side?
40 feet
What is the area of a triangle that has a base of 20 feet and a height of 10 feet?
100 feet squared
What is the volume of a rectangular prism that is 3 1/3 inches wide, 10 1/5 inches long, and 4 1/4 inches high?
144.36 inches cubed
What is the surface area of a rectangular prism that is 7 feet wide, 8 feet long, and 10 feet high?
412 feet squared
Convert to a decimal and solve:
1/5 x 7/8
0.175