Class, you should know that the number of small cubes in a Rubik’s cube is it’s volume.
Show the transparent container
Let’s take a look with this cube and transparent cube.
What
SxSxS=V
What can you notice about the sides of cube?
Look at this figure
What kind of solid figure is the container? (rectangular prism)
How many layers are there? (only 1 layer)
How many layers are there?
Assuming the following measurements, how many layers will it have? (3 layers)
This is the outcome when we filled the container with cubes.
How can you find the total number of cubes fitted in the container without counting them all?
Go back to the Rubik’s cube
Use the Rubik’s Cube
3x3
9x3
When we get the total number of cubes that the Rubik’s cube has, what have we looked for?
How many cubes fit the length?
How about the width?
Generalization
What is Volume?
What is a cube?
How about a rectangular prism?
What is the formula to find for the formula of a rectangular prism?