### Money Expressions with Two Operations

Students will learn to solve money problems with two or more operations.

#### Teaching Objectives:

• Students will learn to define an expression.
• Students will learn to write expressions to solve problems.
• Students will write expressions and solve problems with two or more operations.

#### Lesson Excerpt:

What is an expression?

A numerical expression is a mathematical phrase that has numbers and operations in it. A variable expression is a mathematical phrase that has numbers, operations and variables in it.

You may be wondering what an expression has to do with money; well many times there are problems that need to be solved regarding money. When this happens, we need to think about how to express the problem in a mathematical way so that we can solve it. This is where using an expression comes in.

Let’s look at an expression that has one operation in it.

Example:

Kyle is shopping for a present for his mother. He has decided to buy her four new coffee cups. After searching all day, he finally selects a set that he likes. Unfortunately, he has to buy each cup separately. One cup is \$5.00. If Kyle purchases all four cups, how much will he spend?

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Categories Money Math, 