Reflection: Intrinsic Motivation Plotting Data on a Graphing Calculator - Section 2: Investigation


Students who like to be precise seem to love this activity. I think the technology really engages students here in a challenge of finding the line that will go through the points.  I see students get really excited about getting close and then tweaking their equations to make them fit better. I think this a great way for students to explore the ideas of slope and y-intercept in a different way.  I  try to be explicit, or get them to be explicit, about how the changes they are making directly impact their line.

  Engaging students with technology
  Intrinsic Motivation: Engaging students with technology
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Plotting Data on a Graphing Calculator

Unit 2: Multiple Representations: Situations, Tables, Graphs, and Equations
Lesson 12 of 17

Objective: SWBAT plot data points on a graphing calculator. SWBAT use a calculator to approximate a line of best fit. SWBAT see the effects of adjusting starting values and rates of change to equations.

Big Idea: Can you find the best function? Students plot data on the graphing calculator and write linear functions to best approximate the data.

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