Activities

Download
- Download All Files (ZIP)
- During the Activity Files
- POLYADD.8xv
Alignment
- Standards Alignment
- Textbook Alignment
Subject Area
- Maths: Algebra I: Functions and Relations
Author

Edward D. Laughbaum
Level

9-12
College
Activity Time

30 Minutes
Device
- TI-83 Plus Family
- TI-84 Plus
- TI-84 Plus Silver Edition
Software

TI Connect™
Applications
- StudyCards™ for TI-83 Plus and TI-84 Plus
Accessories

TI Connectivity Cable
Other Materials

Suggestion: Use as a lead-in to 3.2 either to students right before (or at the beginning of) class, or as your presentation.
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Polynomial Addition, Subtraction

Activity Overview

This StudyCards™ stack teaches that, when linear functions are added, the slope of the sum is equal to the sum of the slopes, likewise for y-intercepts. Includes quadratic and up polynomials. Use with Foundations for College Mathematics, Ch. 3.2.

Before the Activity

Download the attached StudyCards™ file to students' calculators.

During the Activity

Use this StudyCards™ set to discover that, when linear functions are added, the slope of the sum is equal to the sum of the slopes, likewise for y-intercepts. The activity progresses to quadratic and up polynomials.

After the Activity

Review student results

As a class, discuss questions that appeared to be more challenging

Re-teach concepts as necessary

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Download

During the Activity Files

Alignment

Subject Area

Author

Level

Activity Time

Device

Software

Applications

StudyCards™ for TI-83 Plus and TI-84 Plus

Accessories

Other Materials