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Beginning Algebra Module 4: Systems of Linear Equations and Inequalities in Two Variables

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Overview:: This site contains a lesson on: Beginning Algebra, coordinate system, graphs, lines, systems, linear equations, variables, substitution method, elimination method, inequalities The lessons include: Pre-Assessment, Introduction: Systems of Linear Equations and Inequalities in Two Variables, Section1: Solving Systems of Linear Equations, Section 2: Solving Systems of Linear Equations by Substitution Method, Section 3: Solving Systems of Linear Equations by Elimination Method, Section 4: Graphing Systems of Linear Inequalities, Post-Assessment.
Type of Material:: Online Course Module
Recommended Uses:: In class, homework, individual, team work, lecture material.
Technical Requirements:: Works on any browser that supports JavaScript.
Identify Major Learning Goals:: The purpose of the site is to help students recognize the patterns that can be seen when graphing different values into a linear function and assist students with solving linear systems using elimination and substitution.
Target Student Population:: Can be used for students in algebra classes up through all higher-level math courses if they want to practice beginning algebra.
Prerequisite Knowledge or Skills:: Students should have a basic understand of graphs and linear equations.

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Strengths:: This activity goes through the different techniques for solving a system of two equations. There is a pre-assessment, four lessons, and a post assessment. Within each lesson there is an interactive check for understanding. There are also embedded Khan Academy videos at the beginning of each lesson. The activity provides students and instructors with the means to investigate graphs and the changes in graphs when changing values within a linear function. The app is very visual for the part that involves graphing.
Concerns:: No concerns.

Rating:
Strengths:: It is easy to integrate the activities from this site into the classroom for lecture material. It is a great learning tool for students and the concepts are clearly shown.
Concerns:: This site is will be useful for students learning the particular concept of system of two linear equations, but is limited to that topic.

Rating:
Strengths:: The program is easy to use. It has potential for keeping students engaged includes instructions on how to use the app. The navigation includes a left frame for the students to easily jump to the type of solving systems that they want to learn.
Concerns:: No concerns.