Volume
If a cube has a length, width, and height of 3 inches, what is the volume of the cube?
27 in3
The side of a square has a length of 2 inches. What is the perimeter of the cube?
8 inches
True
A triangular road sign has 3 sides that each are all 10 inches long. What type of triangle is the road sign?
Equilateral Triangle
How many faces does a cube have?
6
A drawer is 5 feet wide, 4 feet deep, and 2 feet tall. What is the volume of the drawer?
40 cm3
A rectangle has a height of 20 inches and a width of 45 inches. What is the perimeter of the rectangle?
130 inches
True or False: Surface area is always measured in units cubed (cm3).
False-surface area is measured in units SQUARED.
A triangle poster has two sides that equal 4 feet, and one side that equals 2 feet. What type of triangle is the sign?
Isosceles triangle
Define an edge.
A line where two faces meet.
Suzy wrapped a gift that had a length of 10 inches and a width of 5 inches. The volume of the gift was 250 in3. What is the height of the gift?
5 inches
A rectangular room measures 12 m by 7 m. What is the area of this room?
84m2
True or False: The surface area of a cube can be found by calculating the perimeter of one face, then multiplying by 6.
False-calculate the AREA of one face, then multiply by 6.
Your friend cuts out a paper into a triangle shape. No side is the same length. What kind of triangle did your friend cut out?
Scalene Triangle
How many vertices does a pyramid have?
5
The Scott family wants to fill up their pool to the top with water. The length of the pool is 50 meters and the width is 25 meters. The pool is 10 meters deep. How much water will the pool hold?
12,500 m3
Theresa wants new carpeting for her family room. Her family room is a 12 ft by 21 ft rectangle. How much carpeting does she need to buy to cover her entire family room?
252 ft2
Give an example of a real life example of when it would be helpful to find the surface area.
-Wrapping a present
-Decorating our classroom door
-How much paint you need for a room
You see a triangle with one side that is 8 inches, one side that is 5 inches, and the third side that is 4 inches long. What type of triangle did you see?
Scalene Triangle
How many edges does a pentagonal prism have?
15
In a hotel, there is a safe in the closet that is 40 cm wide, 20 cm deep, and 30 cm tall. Next to the safe there is a drawer with a digital lock. The drawer is 30 cm wide, 25 cm deep, and 20 cm tall. What is the total volume of space for hotel guests to put their valuables?
39,000 cm 3
Betty wants to install new carpet in her living room. The room length is 15 ft and the width is 15 ft. If the cost of the carpet is $8 per square foot, what will be the total cost to carpet Betty’s living room?
$1800
Find the surface area of a cube whose sides all have a length of 2 cm.
24 cm2
Describe what an obtuse triangle is
An obtuse triangle is a triangle with one obtuse angle and two acute angles
How many vertices does a cube have?
8