1. Two-Step Equations King/Halling Algebra 2011-2012

2. AIM How do we solve two-step equations for a given variable? TOPIC: Two-Step Equations

3. DO NOW Put today’s topic in your Table of Contents Write your homework in your planner Volunteers need to put up homework problems Complete the following: 11) -104 = 8x20) m _ = -13 4

4. Mapping Activity Write directions on how to go from Justin’s Diner to Domo’s Gas Station.

5. Mapping Activity Write directions on how to go back from Domo’s Gas Station to Justin’s Diner.

6. What Does it Mean? We also have a “map” telling us the order in which we need to perform operations… PEMDAS Performing Operations

7. Solving Equations Now we need to work backwards in order to solve equations PEMDAS Performing Operations Solving Equations

8. Steps Multiplication and Addition  Subtraction and Division 10x + 3 = 33 - 3 - 3 10x = 30 10 10 x = 3 Explanation Identify Operations List Inverses in Reverse Order Subtract the exact amount that was added Divide the exact amount that was multiplied State the solution and check

9. Guided Practice Try the following by performing the necessary steps and indicate your answer: 1. m + 4 = 52. k + 4 = 5 22

10. Independent Practice Begin working on the Two-Step Equations Worksheet Those needing additional help will work on the iPad Those who understand have the rest of the period to work on this worksheet What’s not done is homework for all students

11. Exit Ticket Solve the following equations for the given variables: 1. 5w – 2 = -122. 9p – 6 = 21

12. Homework Two-Step Equations Worksheet