Activities

Download
- Download All Files (ZIP)
- Before the Activity Files
- Student Activity PDF
- Teacher Notes PDF
- TI_Interactive_Math_HS_AppendixA_Act03.pdf
Alignment
- Standards Alignment
- Textbook Alignment
Subject Area
- Math: Algebra I: Equations and Inequalities
Author

Texas Instruments
Level

9-12
Activity Time

50 Minutes
Software

TI InterActive!™
Other Materials

For more information on TI InterActive!™ or for a trial version click here
This is activity 3 from the EXPLORATIONS Book TI InterActive! Math for High School
Report an Issue

Solving Systems of Equations: The Method of Elimination

Activity Overview

Whenever a system of n equations with n unknowns is given there are several methods that can be used to find the solution to the system if a solution exists. In this activity, you will use the method of elimination to solve systems of equations.

Before the Activity

See the attached PDF file for detailed instructions for this activity.

Print pages from the attached PDF file for your class as needed.

During the Activity

Students will:

Use the elmination method, solve the system of equations:
5x-3y+4z=19
3x+5y-4z=7
-7x+2y-2z=-16

After the Activity

Review student results:

As a class, discuss questions that appeared to be more challenging
Re-teach concepts as necessary

Control your cookie preferences

You can control your preferences for how we use cookies to collect and use information while you're on TI websites by adjusting the status of these categories.

Category	Description	Allow
Analytics and performance cookies	These cookies, including cookies from Google Analytics, allow us to recognize and count the number of visitors on TI sites and see how visitors navigate our sites. This helps us improve the way TI sites work (for example, by making it easier for you to find information on the site).
Advertising and marketing cookies	These cookies enable interest-based advertising on TI sites and third-party websites using information you make available to us when you interact with our sites. Interest-based ads are displayed to you based on cookies linked to your online activities, such as viewing products on our sites. We may also share this information with third parties for these purposes. These cookies help us tailor advertisements to better match your interests, manage the frequency with which you see an advertisement, and understand the effectiveness of our advertising.
Functional cookies	These cookies help identify who you are and store your activity and account information in order to deliver enhanced functionality, including a more personalized and relevant experience on our sites. If you do not allow these cookies, some or all site features and services may not function properly. If you do not allow these cookies, some or all of the site features and services may not function properly.
Social media cookies	These cookies allow identification of users and content connected to online social media, such as Facebook, Twitter and other social media platforms, and help TI improve its social media outreach.
Strictly necessary	These cookies are necessary for the operation of TI sites or to fulfill your requests (for example, to track what items you have placed into your cart on the TI.com, to access secure areas of the TI site, or to manage your configured cookie preferences).	Always On

Category

Description

Allow

Analytics and performance cookies

These cookies, including cookies from Google Analytics, allow us to recognize and count the number of visitors on TI sites and see how visitors navigate our sites. This helps us improve the way TI sites work (for example, by making it easier for you to find information on the site).

Advertising and marketing cookies

These cookies enable interest-based advertising on TI sites and third-party websites using information you make available to us when you interact with our sites. Interest-based ads are displayed to you based on cookies linked to your online activities, such as viewing products on our sites. We may also share this information with third parties for these purposes. These cookies help us tailor advertisements to better match your interests, manage the frequency with which you see an advertisement, and understand the effectiveness of our advertising.

Functional cookies

These cookies help identify who you are and store your activity and account information in order to deliver enhanced functionality, including a more personalized and relevant experience on our sites. If you do not allow these cookies, some or all site features and services may not function properly.

Social media cookies

These cookies allow identification of users and content connected to online social media, such as Facebook, Twitter and other social media platforms, and help TI improve its social media outreach.

Strictly necessary

These cookies are necessary for the operation of TI sites or to fulfill your requests (for example, to track what items you have placed into your cart on the TI.com, to access secure areas of the TI site, or to manage your configured cookie preferences).

Always On

Download

Before the Activity Files

Alignment

Subject Area

Author

Level

Activity Time

Software

Other Materials