## π STANDARD

**CCSS.MATH.CONTENT.7.RP.A.2** Recognize and represent proportional relationships between quantities

## β° Time

30 minutes

## π² Technology Required

Either a project or smart board connected to the computer will be required to view presentation and videos in class or students will need a computer to watch during a web meeting. The game can be played on any computer or tablet with Internet access.

## π Summary

Students play the Making Camp Navajo game, selecting the activity that explains ratio and proportion. The teacher reviews the activity with the class in a presentation, that includes three more problems to be completed as a group.

## π Lesson

### 1. Play Making Camp Navajo and Learn Ratio and Proportion

Begin the lesson with students playing Making Camp Navajo. The following instructions can be pasted into a document linked to an assignment in your Google classroom or other system, or just printed out or written on the board.

#### Play Making Camp Navajo for an introduction to ratio and proportion

- Go to the
**Games Portal for Kids page**– here https://www.growingmath.org/games-portal-for-kids/ - Select the icon for Making Camp Navajo. You may need to scroll down to see it. The icon looks like this:
- Login with your username and password your teacher gave you.
- Play through the introduction and until you get to the page with Numbers, Life and Random as choices, click on the Numbers box.
- Play the two activities that have a girl holding a lamb and an ear of corn. These will teach you about ratio and proportion and give you a few example problems and how to solve them. The two activities you are supposed to select are shown below.

### 2. Review definitions of ratio and proportion with more examples

To reinforce the information, in the presentation, use this 30-slide deck.

Google Slides presentation of Introduction to Ratio and Proportion

PowerPoint presentation of Introduction to Ratio and Proportion.

The first 13 slides review the information from the game and the subsequent 17 explain how to solve for an equivalent ratio and provide additional examples to solve as a class.

## Assessment

Students’ knowledge of ratio and proportion is addressed by problems within the game and by the problems in the presentation, solved together in class.