## CHAPTER 9: LINEAR RELATIONS AND LINEAR EQUATIONS

**Lesson 5: Solving Equations Using Mental Mathematics **

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**

Solve a problem by solving a related equation

**Builds Upon**

Student Book pages 401–405

**Instructions for Use**

**Algebra Four** allows students to practice solving equations

To play Algebra Four, select a time limit, a level of difficulty, and the types of problems to be solved.

**Alginon's Albegraic Explorer** allows students to practice solving equations

To use Alginon’s Algebraic Explorer, click on “Assessment Activity” button on the right. Solve the equation shown and then click on the correct answer before the numbers leave the screen. The activity will keep track of your accuracy.