## Reflection: Modeling Using Technology with Normal Model - Section 2: Direct Instruction in Using the Graphing Calculator

Teaching students how to use technology can be a frustrating experience for all of us.  When I do a live demonstration at the front of the room, it is often the case that some students race ahead and other students get stuck on the first or second step.  This leads to an uncomfortable situation in which some students are waiting (usually impatiently) for other students to catch up.  I have experimented with several different techniques for effectively teaching students how to use technology and have settled on the demo slide approach.

I use the software version of the graphing calculator to take screenshots of the key steps in the process.  I use the images to create a slide show that I present to students.  I demonstrate once and then leave the images on the overhead while I go around to individuals who need help.  If necessary I can post the slides to edmodo so that students can review the procedure later.

Modeling: Teaching Students How to use the Graphing Calculator

# Using Technology with Normal Model

Unit 6: Statistics: Single-Variable
Lesson 7 of 13

## Big Idea: The Empirical Rule helps us know the percent of values that are one or two standard deviations from the mean, but what do we do for 1.33 SDs?

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Standards:
Subject(s):
Math, univariate data, percentiles, normal distribution, Algebra 2, population percentages, statistical significance
90 minutes

### Colleen Werner

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