6th Grade Math Textbook, Progress

Volume of Prisms

13-16

The volume of a solid figure is the number of cubic units

that it contains. The cubic units may be cubic centimeters,

cubic inches, cubic meters, cubic feet, and so on.

You can count the cubes to find the volume

of a cube or a rectangular prism.

You can use formulas to find the volume

of cubes and rectangular prisms.

Find the volume of

the cube.

V
e^3

V
(0.3 m)^3

V
0.027 m^3

The volume of the cube

is 0.027 m^3.

Find the volume of the

rectangular prism.

V

wh

The volume of the rectangular

prism is 504 ft^3.

one cubic unit

The large cube has 3 3 or The rectangular prism has 5  4

9 cubes in each layer, and or 20 cubes in each layer, and

there are 3 layers of cubes. there are 3 layers of cubes.

The volume is 27 cm^3. The volume is 60 cm^3.

Volume of a Cube

V
edge edge edge

V
e^3

Volume of a Rectangular Prism

V
length width height

V

wh

4

V
^221 ft^81 ft^61 ft

1

V
504 ft^3

3 cm

3 cm

3 cm

edge

height

width length

5 cm 4 cm

3 cm

6 ft

8 ft

10 ft^12

1 unit

1 unit

1 unit

0.3 m

8206-2_478-479 10/7/07 12:26 PM Page 478