T^3 2019 – Baltimore

Making Sense of Functions

Student comprehension of functions is more complete when they are presented with multiple representations.  In this session, participants will examine functions outside of the traditional numerical, algebraic, and graphical models.  Using the TI-Innovator, numerical input will be transformed into real world output that students can see and hear.  Real world input will then be used to create numerical and graphical output.  Come hear the difference between linear and exponential functions.

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 Design and Production: Investigating the Effects of Error with CAS

Mathematics in the “real world” can be frustrating. Small variations in input values can lead to large variations in results. While the mathematics for the relationship between these variations can be daunting for students, technology
can make these problems accessible. In this session we will have a design task and discuss possible errors that may arise in its production. We will use CAS and dynamic geometry to explore how these errors affect our final product.

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About Dennis

Dennis Wilson started at Landmark Christian School in Fairburn Georgia in the fall of 1996. A graduate from Georgia Tech’s School of Physics, Dennis initially began teaching Chemistry and Physics in the science department at Landmark. Since becoming a member of the mathematics faculty in 2001, he has taught every level of math offered at Landmark from 5th grade to Multivariable Calculus II. In 2012, Dennis was appointed the Head of the Mathematics Department. Selected nine times by Landmark students as STAR teacher of the year, he is passionate about teaching with technology to help his students learn math through the use of multiple representations. He has presented at multiple conferences on technology use in the math classroom. In 2016, Mr. Wilson became an AP Reader for the AP Calculus BC exam.

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