# Surf for More Math

## CHAPTER 9: LINEAR RELATIONS AND LINEAR EQUATIONS

**Lesson 3: Exploring Possible Values **

Use these interactive activities to encourage students to have fun on the Web while learning about linear relations and linear equations. Students can try these activities on their own or in pairs.

**Goal**

Explore possible values for variables in a given equation.

**Builds Upon**

Student Book page 377

**Instructions for Use**

**Weigh the Wangdoodles **allows students to explore equations and figure out the value of each variable in the equations.

Read the introduction and click on “Start.”

Your job is to find the weight of each Wangdoodle using the information provided by the three equations that represent the weigh scales. To be successful, you will have to make sure that the weight you assign to each Wangdoodle works on each scale.

When you are sure your values for each Wangdoodle are correct, click “Check It.” Click on “New Puzzle” to get a new set of Wangdoodle equations.