True or False: Volume is the space inside of a 3D shape.
True
What is the area of this rectangle?
3 x 5 = 15 cm2
What are the formulas for finding the volume of a rectangular prism? (name both)
Volume = length x width x height
or
Volume = Area of base x height
4 x (3 + 7) =
4 x 10 = 40
Why would filling a box with marbles to measure the volume of the box a bad idea?
Because the marbles will not cover all the space.
Volume is measured in
A. Lines
B. Squared units
C. Cubic units
C
What is the formula for the area of a rectangle?
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
(4 x 3) + 7 =
12 + 7 = 19
What are we learning this week?
Sample answer:
Volume of a rectangular prism
Formula to find out the volume of a rectangular prism
I can only use unit cubes to find out the volume of a rectangular prism accurately.
The formula for volume of a rectangular prism is:
Volume = length x width x height
Volume= Base x height
What is the area and perimeter of this rectangle?

A:5 x 8 = 40 cm2
P:5+5+8+8= 26cm
What is the volume of this figure?

6 x 3 x 4 = 72 cm3
____ = (30 / 2 ) + 3
18 = 15 + 3
True or False? All rectangles are squares.
False
inches x inches x inches = ?
cubic inches
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.
____ = 30 / (2 + 3)
6 = 30 / 5
The volume of a rectangular prism is 75 inches cubed. If the length is 5 inches and the width is 3 inches, what is the height?
5 inches
If I know the volume of the rectangular prism is 18 cubic feet, and the area of the base is 6 square feet, what is the height?
3 feet
A rectangle has a width of 7 cm. Its length is 2 times its width. What is the area of the rectangle?
width: 7cm
length: 7x2= 14 cm
area 7x 14= 98 cm2
A rectangular prism has a width of 2 cm. Its length is 2 times its width. Its height is 2 cm more than the width and length added together. What is the volume of the rectangular prism?
Width: 2 cm
Length: 2×2=4 cm
Height: 2+4+2=8 cm
Volume: V=l×w×h
V=4×2×8=64 cm3
Miss Wolf had $23. She Earned $7 more dollars. She donated half the money to the food bank. Write an expression that models the amount of money Miss Wolf donated.
(23 + 7) / 2
What is the volume of this prism?
4 x 6 x 3 = 72 units3