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Solve It! During summer vacation, you work two jobs. You walk three dogs several times a week, and you work part time as a receptionist at a hair studio. You earn $8 per hour as a receptionist and $20 per week per dog. Your weekly schedule (shown here) is the same each week. How much will you earn in 10 weeks?
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Problem 1 Got It?
To model a situation with an algebraic expression, do the following:
1. Relate the given information:
Identify the actions that suggest math operations.
2. Define variables:
Define one or more variables to represent the unknown(s).
3. Write an expression:
Represent the actions using the variables and the operations.
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Take Note: Describe the 3-step process of modeling a situation with an algebraic expression.

Problem 2 Got It?
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Take Note: What does it mean to evaluate an algebraic expression?
Problem 3 Got It? What is the value of the expression below for x = 6 and y = -3?
Enter only a number.
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Problem 4 Got It?
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Take Note: Define term [of an algebraic expression].
Take Note: Define coefficient.
Take Note: Define constant term.
Take Note: Provide an example of an algebraic expression that has two terms:
◆ one algebraic term that has the coefficient -7
◆ a constant term of 3

Problem 5 Got It?

Problem 5 Got It?

🧠 Retrieval Practice:
Summarize the mathematical content of this lesson. What topics, ideas, and vocabulary were introduced?