Elementary Test Prep: Math 4 Test (Grades 3-4)Understand the concept of volume.

Lesson Page Modeling / Multiple Representation

Volume is the amount of space an object takes up.

The volume of a space figure is the number of
cubic units the figure contains.

You can count the cubes to find the volume of a space figure.
	1 cubic unit
	2 cubic units

You can use a formula to find the volume of an object.

Volume = length x width x height
V = l x w x h

Example One:

Find the volume of the pay phone. The length = 6 in
The width = 4 in
The height = 10 in

Volume = length x width x height
Volume = 6 in x 4 in x 10 in
Volume = 240 cubic inches

Volume = 240 cubic inches

Find the cubic measure of each figure by counting the cubes.

Example Two:

By counting the cubes you can see that there are 15 cubes.

Volume= 15 cubic units

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Remember:
You can find the volume of figures by counting cube
or
You can find the volume of figures by using the formula volume = length x width x height.