Modeling Real-World Situations

Now that you understand how to write algebraic and verbal expressions, you will apply them to real-world situations. Relationships between the terms will become apparent as you describe, model, and represent patterns in a variety of ways. You will be working with verbal statements like “Sara is 2 years older than her sister. If Sara’s sister is 12, how old is Sara?” Start thinking about how you would solve the answer to this question using an algebraic expression.

Essential Question

• How can you model a real-world situation using an algebraic expression?