# 8.2: What’s the Value

**What’s the Value? – Solve for Unknowns**

**Teacher Notes**

To solve for values of unknowns in equations, students perform all computations following the order of operations: operations in parentheses first, followed by exponents, then multiplication and division from left to right, and then addition and subtraction from left to right. Operations within parentheses follow the standard order, as well. Encourage students to replace the variable with its value and check to be sure that the two expressions (to the left and to the right of the = symbol) name the same number.

**Solutions:**

**What’s the Value? – Solve for Unknowns**

**What is the value of ?**

Follow the order of operations. Show each step.

What is the value of the variable?

*Extra for Experts:***What’s the Value? – Solve for Unknowns**

Follow the order of operations. Show each step.

What is the value of the variable?

**Solutions:**

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Feb 23, 2012## Last Modified:

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