Reflection: Discourse and Questioning Two Methods, One Equation: Finding the Boundary Line - Section 3: Discussion + Closing


There is a good opportunity here to get students talking to each other and building on each other's reasoning.  One goal of the discussion section might be to get a student who prefers one method of graphing inequalities to try and explain the other method.  Anytime we have multiple solution paths in a problem, we have an opportunity to generate student discourse in the classroom. I might do that by asking students to repeat or rephrase what another student said or ask someone to add on to another person's thinking.

  Generating Student Discourse
  Discourse and Questioning: Generating Student Discourse
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Two Methods, One Equation: Finding the Boundary Line

Unit 3: Systems of Equations and Inequalities
Lesson 3 of 17

Objective: SWBAT use two different methods to write and graph equations that fit given constraints. Students will be able to transform slope intercept form into standard form and vice versa.

Big Idea: Hey, how did you find that line? Students examine two different ways to find the equations of boundary lines and work to understand why they are equivalent.

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