3/12/2016 ©Evergreen Public Schools Compare Strategies Teacher Notes You may want to make posters showing Marsha’s and Tara’s strategies to have them available for students to refer to during the discussion. (Student do not make posters) Strategy “Four Corners”: Post “Marsha”, “Tara”, “Both” and “Neither”. Asks students to vote with their feet. Go to the corner that represents who they agree with. Vocabulary equation variable
©Evergreen Public Schools Learning Target I can solve a two-step equation with one variable. What do you know about equations?
©Evergreen Public Schools LaunchLaunch Solve: 3 x + 15 = 24
©Evergreen Public Schools ExploreExplore
5 Marsha and Tara each solved the equation 3 x + 15 = 24 differently. Marsha 3x + 15 = 24 3x = 9 x = 3 Tara 3x + 15 = 24 x + 5 = 8 x = 3 Who’s strategy is correct? Vote with your feet! Go to the corners.
©Evergreen Public Schools Marsha 3x + 15 = 24 3x = 9 x = 3 Tara 3x + 15 = 24 x + 5 = 8 x = 3 Describe each girl’s strategy.
©Evergreen Public Schools x – 8 = 14 5 x + 7 = 42
©Evergreen Public Schools Debrief When is Marsha’s strategy better? When is Tara’s strategy better?
©Evergreen Public Schools Learning Target Did you hit the target? I can solve a two-step equation with one variable. Rate your understanding of the target from 1 to 5. 5 is a bullseye!
©Evergreen Public Schools Practice Practice Two Step Equations 3.___
©Evergreen Public Schools Solve 5 x + 15 = 50