# 9.2: X the Unknown

** The Unknown – Solve for Unknowns using the Distributive Property**

**Teacher Notes**

Students apply the distributive property and the rule for order of operations to solve equations involving unknowns. In all problems, students have to find square roots of values. All roots are the positive roots of square numbers. Be sure that students show all computational steps.

**Solutions:**

** The Unknown 1**

** The Unknown 2**

** The Unknown 3**

**What is the value of ?**

Solve for the value of .

Show all steps.

**Extra for Experts: the Unknown – Solve for Unknowns using the Distributive Property**

Solve for the value of .

Show all steps.

**Solutions:**

### Image Attributions

## Description

## Tags:

## Subjects:

## Date Created:

Feb 23, 2012## Last Modified:

Nov 05, 2014**You can only attach files to None which belong to you**

If you would like to associate files with this None, please make a copy first.