The change in price PER one side is $2.89.
So you’re saying the price PER side is $2.89. How did you figure out how much one side costs if we only know the prices of the whole meal?. As they’re working through the activity, try these questions to help address misconceptions or to get students explaining their thinking. Students should be able to work through the entire first page of the handout (the activity) without any teacher instruction. But what about lines that don’t go through the origin? In today’s lesson, we will explore this idea, leading students to an understanding of linear equations with a starting value and a rate of change. They’ve learned that proportional relationships always have an output of 0 when the input is 0 (passing through the origin). In Lesson 2.1 and 2.2, students learned to write linear equations for proportional relationships. Day 8: Interpreting Models for Exponential Growth and Decay. Day 7: Working with Exponential Functions. Day 4: Transformations of Exponential Functions. Day 3: Graphs of the Parent Exponential Functions. Day 1: Geometric Sequences: From Recursive to Explicit. Day 10: Solving Quadratics Using Symmetry. Day 9: Solving Quadratics using the Zero Product Property. Day 8: Writing Quadratics in Factored Form. Day 3: Transforming Quadratic Functions. 
Day 10: Radicals and Rational Exponents.Day 4: Solving an Absolute Value Function.Unit 6: Working with Nonlinear Functions.Day 4: Interpreting Graphs of Functions.Day 3: Functions in Multiple Representations.Day 1: Using and Interpreting Function Notation.Day 10: Writing and Solving Systems of Linear Inequalities.Day 9: Graphing Linear Inequalities in Two Variables.Day 8: Determining Number of Solutions Algebraically.Day 7: Solving Linear Systems using Elimination.Day 3: Interpreting Solutions to a Linear System Graphically.Day 2: Interpreting Linear Systems in Context.Unit 4: Systems of Linear Equations and Inequalities.Day 12: Writing and Solving Inequalities.
Day 10: Solutions to 1-Variable Inequalities. Day 9: Representing Scenarios with Inequalities. Day 6: Solving Equations using Inverse Operations. Day 4: Solving Linear Equations by Balancing. Day 3: Representing and Solving Linear Problems. 
Unit 3: Solving Linear Equations and Inequalities.Day 2: Proportional Relationships in the Coordinate Plane.Day 10: Connecting Patterns across Multiple Representations.Day 8: Patterns and Equivalent Expressions.Day 7: Writing Explicit Rules for Patterns.Day 2: Equations that Describe Patterns.
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