** EVALUATING EXPRESSIONS INVOLVING MONEY LESSON PLAN**

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Teaching Materials

Lesson Excerpt:

**What is an expression?**

An expression is a numerical statement that has variables, numbers and operations in it. An expression is not an equation. An equation is looking to be solved. There is only one solution to an equation. An expression is evaluated. Depending on given values, there may be more than solution to an expression.

Here is an example of an expression.

Example:

3x-1

Three times an unknown number minus one or one less than three times an unknown quantity. We could explain this expression in words in a couple of different ways.

Continued...

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