True or False: Volume is the amount of space inside a 3D object.
True.
What is the area of this rectangle?
3 x 5 = 15 cm2
L= 9 in, W= 3 in, H = 2 in
54 cubic inches
What is the formula for area?
A =L x W
Why would filling a box with marbles and filling the same box with cubes be different amounts?
Sample answer:
They are different sizes and shapes. Marbles don't fit together as nicely as cubes.
Volume is measured in
A. Lines
B. Squared units
C. Cubic units
C
Area = length x width
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
What is the formula for perimeter?
P= S + S + S + S
What are the 3 steps to solving volume of a complex figure?
1- Split the figures into two separate shapes.
2- Find the individual volumes.
3- Add them together to get the final total volume.
The formula for volume of a rectangular prism is:
volume = length x width x height
What is the area of this rectangle?
5 x 8 = 40 cm2
What is the volume of this figure?
6 x 3 x 4 = 72 cm3
Another word for a 2D shape is a _______________.
plane figure
What is another name for a complex shape?
composite shape
Centimeters x centimeters x centimeters = ?
cubic centimeters, or centimeters cubed, or cm3
Which ONE of the following demonstrates area?
- a kleenex box
- the top of a desk
- a line
The top of a desk
A box is 9 inches by 11 inches by 8 inches. What is the volume of the box?
792 cubic inches
sum
What is the volume of this prism?
72 Cubic units
True or False: Another formula for volume is Area of the base x height.
True
What is the area of a rectangle with a Length of 4cm, a width of 18 cm and a height of 3cm?
72 cm2
The volume of a rectangular prism is 50cm. The length is 5 and the width is 2. What is the height of the prism?
5 cm
The numbers we multiply to get a product are called _____________.
factors
What is the volume of this figure?
A = 4 x 6 x 2 = 48
B = 4 x 3 x 2 = 24
48 + 24 = 72 cm3