Defining Volume
True or False. Volume is the amount of space that an object takes up.
True.
True or False. A cube has six square faces.
True
What is the formula for finding the volume of a rectangular prism?
Volume = length x width x height
99 cubic centimeters = 1 x ___ x 33
3 cm
Double! How do you find the height if the volume, length, and width are given to you.
Divide the volume by the product of length x width OR multiply length x width and then guess-multiply for the height until you get the volume
Volume is measured in:
A. Lines
B. Squares
C. Cubic units
C
For a _____________ figure, it's easier to count cubes to find volume.
Composite
I made a tower in the shape of a rectangular prism out of blocks. The length was 8 in, width was 2 in, and height was 4 in. What was the volume of the figure?
8x2x4 = 64 cubic inches
11
Volume = 4 cubic inches, length = 2 inches, width = 2 inches, height = ?
Height = 1 inch
The formula for volume of a rectangular prism is:
volume = length x width x height
A figure is made out of sugar cubes. If the figure is made of 6 rows, with 5 sugar cubes in each row, how many sugar cubes are there altogether?
6x5=30 sugar cubes
What is the volume of the figure? (see slide 4)
2x3x6=36 cubic feet
1465 cubic feet = 5 x 146.5 x ____
2
Volume = 12 cubic feet, width = 2 feet, height = 2 feet, length = ?
length = 3 feet
Centimeters x centimeters x centimeters = ?
cubic centimeters, or centimeters cubed
I made this figure out of blocks. How many cubes did I use to make the figure? (see slide 2)
32 cubic units
A box is 9 inches by 11 inches by 8 inches. What is the volume of the box?
792 cubic inches
5555 cubic meters = ___ x 11 x 10
50.5
Volume = 56 cubic feet, length = 7 feet, width = 2 feet, height = ?
height = 4 feet
True or False. You can find the volume of a composite figure by using length x width x height
False. You would have to count the cubes, or add up the volumes of the different figures.
Whats the volume of a rectangular prism that is 15 x 20 x 30?
9,000 cubic units
What is the volume of the figure?
72 x 2 x 2
288 cubic cm
1888 cubic inches = ____ x 4 x 2
Double!! Volume = 300 cubic cm, length = 10 cm, width = 6 cm, height = ?
height = 5 cm