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#### Unit 2 Lesson 12 – Problem Solving with Proportional Relationships

- What will you learn:
- Setup and solve multi-step simple interest problems.
- Setup and solve multi-step tax problems.
- Setup and solve multi-step problems involving markup and markdowns.
- Setup and solve multi-step problems involving gratuities, commissions, and fees.

- Vocabulary
- Games
- SMART presentation
- Practice Quiz Lesson 12

#### Unit 2 Lesson 13 – Proportional Relationships

#### Unit 3 Lesson 14

- What will you learn:
- Add and subtract linear expressions
- Combine like terms
- Determine if two expressions are equivalent
- Write equivalent expressions

- Vocabulary
- coefficient – a number that is a factor of a variable term
- constant – a term that is a number only with no variable factors
- evaluate – to find the value of an expression
- factor – a number, variable, or expression that is part of a multiplication expression
- term – a number, a variable or the product of a number and a variable
- variable – a letter that stands for an unknown number

- Games
- Practice Quiz

#### Unit 3 Lesson 15

- What you will learn:
- Rewrite expressions in different forms
- Use expression to find perimeter and area of triangles and rectangles

- Vocabulary
- equivalent expressions – expressions that have that same value for every possible value of the variable
- adjacent – next to each other
- dimension – a length in one direction. A figure may have one, two, or three dimensions

- Practice Quiz