Reflection: Diverse Entry Points A-OK - Section 1: Set the Stage


I did not anticipate the wide gap between student in terms of understanding and recognizing parent functions.  I have a very small class so I was able to adjust by working with individuals or pairs of students as needed, but I only had two of the seven students who actually knew what a parent function was or could use a table of values for graphing without assistance!  We extended this lesson over a second day because of these deficits, but it was worth it to get everybody to a functional level of understanding.  In fact, when I asked the class for patterns it was one of the students that really struggled who first suggested that adding or subtracting a number outside the "x" moved the overall graph up or down on the y-axis...a very encouraging observation given where she'd started the lesson.

  parent what?
  Diverse Entry Points: parent what?
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Unit 7: Building Functions
Lesson 3 of 12

Objective: SWBAT identify the effect on a graph of replacing f(x) +k, k f(x), f(kx) and/of f(x+k) for specific values of k. (both positive and negative)

Big Idea: Make working with "k" an OK activity for your students with this lesson.

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Math, Function Operations and Inverses, Algebra II, function, master teacher project, 11th Grade
  55 minutes
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