Human Graphing Calculator

By Matthew Estes •

Grade Level	12th
Subject Area	Math
Duration	60 minutes
Setting	Regular Classroom and Large Open Area
Background Knowledge	The students should be able to: Understand the Cartesian coordinate system. Solve simple algebraic equations
Author	Matthew Estes

Summary
Large 2D coordinate systems will be constructed by the Teacher and the students will act as points on the graph. Each student will be assigned an x value and will move to the appropriate y value to solve the equation of the graph for their particular x value. Various functions (equations) will be given, each followed by a new transformation. The transformations the students will be learning are -f(x), 2 f(x) , f(2x), f(x+1), f(-x), and f(x)=-2. The students will be in two teams, each the size of half of the class and the two teams will be competing to see who can graph their function or transformation the fastest. Each time a team gets the graph completed first, their team gets a point and the team with most points at the end earns an incentive.

Objectives
Students will be able to: 1.Graph a function. 2. Reevaluate their graph in response to changing criteria, i.e. transformations

Materials
Tape or chalk to construct the coordinate system. A large flat piece of asphalt or cement. A ladder. An incentive. One pencil and piece of paper per student. Handouts Student Feedback Forms

Ohio Standards
Math • Grade 12: Geometry and Spatial Sense 3 Relate graphical and algebraic representations of lines, simple curves and conic sections. Math • Grade 12: Patterns, Functions, and Algebra 5 Set up and solve systems of equations using matrices and graphs, with and without technology.

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