Common Core Math Vocabulary
Volume - Definition with Examples
What is volume?
In math, volume can be defined as the 3-dimensional
space enclosed by a boundary or occupied by an object.
Here, the blocks and books take up space.
Finding the volume of an object can help us to determine the amount required to fill that object, like the amount of water needed to fill a bottle, an aquarium or a water tank.
The volume of an object is measured in cubic units. Here for example, the volume of the cuboid or rectangular prism, with unit cubes has been determined in cubic units.
Volume of basic solid
geometric shapes like cubes and rectangular prisms can be determined using formulas.
Here’s the list of the formulas for determining the volume of 3-D shapes.
| Geometric Shape Name:
|| Geometric Shape:
|| Volume Formula:
|| Volume = a³ , where a is length of each side.
| Rectangular Prism
|| Volume = l × w × h , where l is length, w is width and h is height.
|| Volume = 4/3 πr³ , where r is the radius.
|| Volume = πr²h , where r is the radius and h is the height.
|| Volume = 1/3 πr²h , where r is the radius and h is the height.
Let's do it!
Instead of handing out math worksheets on calculating volume, show how the volume of different figures is measured in different units. Show how to take the overall measurements of a cube, cuboid or sphere-shaped object and then compute its volume. Also, discuss the unit in which the volume will be determined and how it will differ in each case.
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