#### 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 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