# Volume of a Rectangular Prism: Investigation

## STUDENTS:

Interact with the applet below for a few minutes. Then answer the questions that follow.

**To explore this resource in Augmented Reality, see the directions beneath the questions listed below.**## 1.

In the activity above, create a rectangular prism that has its first layer measuring 3 units long by 4 units wide. Suppose this rectangular prism is 2 layers high. How many cubes make up this prism?

## 2.

In the above activity, create a rectangular prism that has its first layer measuring 5 units long by 3 units wide. How many cubes make up this prism if this prism is 2 layers high? 3 layers high? 10 layers high?

## 3.

How can we EASILY determine the number of cubes that fit inside ANY rectangular prism? Describe.

## TO EXPLORE IN AUGMENTED REALITY:

1) Open up GeoGebra 3D app on your device.
2) Go to the

**MENU (horizontal bars)**in the upper left corner. Select**OPEN**. In the Search GeoGebra Resources input box, type**dp6ghmvv**(Note this is the resource ID = last 8 digits of the URL for this resource.) 3) In the resource that uploads, zoom out and/or adjust the LENGTH, WIDTH, & HEIGHT sliders to create a prism with dimensions you like. Press the**AR**button in the lower right corner of your 3D screen. Follow the directions that appear.