University of Regina (Canada)
University of Regina: Math Central: Augmented Matrix Tutorial
The necessary steps to augment a matrix are explianed by using a problem presented by a student.
Khan Academy
Khan Academy: Welcome to Rendering!
In this topic we are going to explore how pixels are painted by solving systems of linear equations. It includes two lessons: Lesson 1: Rendering 101 (Grades 5+) and Lesson 2: Mathematics of Rendering (Grades 9+).
Purple Math
Purplemath: Cramer's Rule
Cramer's Rule for solving a system of equations is presented here using an example of a system in three variables with three equations. The "everything," approach of solving for all three variables is shown as well as the "selective,"...
Texas Instruments
Texas Instruments: Creating Piece Wise Functions Using Cbr System
In this lesson, students can use the CBR ranger to model walking distance over time. They will walk away from the sensor, back towards the sensor and finally away from the sensor over an interval of 10 seconds. The result should be 3...
Illustrative Mathematics
Illustrative Mathematics: A ced.a.3: Dimes and Quarters
This task requires students to recognize the pairs of linear equations in two variables that would be used to solve a given system of equations. Aligns with A-CED.A.3.
Richland Community College
Richland Community College: Math 116 Lecture Notes
This site from the Richland Community College provides the detailed lecture notes to a college algebra course, complete with equations and definitions. Content ranges from "functions and their graphs" to "conics and parametric equations."
Khan Academy
Khan Academy: Interpret Equations Graphically
Practice the connection between the graphical representation of equations and their algebraic solutions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
ClassFlow
Class Flow: Applications Using Systems
[Free Registration/Login Required] This flipchart provides guided practice with word problems involving systems of equations and gives a brief review on solving systems of equations.
![Houghton Mifflin: Math Graphs: Elimination Method 16 [Pdf] Unknown Type](https://static.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-knovation.png "Houghton Mifflin: Math Graphs: Elimination Method 16 [Pdf] Unknown Type")
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 16 [Pdf]
Learners identify the graphs of a system of linear equations and then solve the system. The practice exercise is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 17 [Pdf]
Learners solve a system of linear equations using the elimination method. The practice exercise is available in PDF format.
Illustrative Mathematics
Illustrative Mathematics: A Rei, a Ced Cash Box
In this task, learners are asked to construct equations in two variables to determine whether a loose coin beside a ticket box belongs with the money collected for tickets. They must then explain their reasoning. Aligns with A-CED.A and...
Illustrative Mathematics
Illustrative Mathematics: A rei.c and a rei.a.1: Products and Reciprocals
The purpose of this task is to test student skills at converting verbal statements into two algebraic equations and then solving those equations. Aligns with A-REI.A.1 and A-REI.C.
Illustrative Mathematics
Illustrative Mathematics: A rei.c.6: Estimating a Solution via Graphs
The purpose of this task is to give students an opportunity use quantitative and graphical reasoning to detect an error in a solution. Aligns with A-REI.C.6.
Khan Academy
Khan Academy: Precalculus: Matrix Row Operations
Determine the matrix that is the result of performing a specific row operation on a given matrix. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Review Exercises: Markov Processes
Students review Markov processes. The resource consists of review exercises on the mathematics concepts.
Richland Community College
Operations With Matrices
This site has an explanation for many operations of matrices, including equality, addition, subtraction, multiplication, and identity.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Review Exercises: Matrix Algebra
Students review matrix algebra. The resource consists of review exercises on the mathematics concepts.
Illustrative Mathematics
Illustrative Mathematics: 8.ee Summer Swimming
The local swim center is making a special offer. They usually charge $7 per day to swim at the pool. This month swimmers can pay an enrollment fee of $30 and then the daily pass will only be $4 per day. Aligns with 8.EE.C.8.c.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Quiz: Matrix Algebra
The online quiz assesses student comprehension of math concepts. The quiz consists of true/false questions about matrix algebra.
Illustrative Mathematics
Illustrative Mathematics: 8.ee Quinoa Pasta 1
A type of pasta is made of a blend of quinoa and corn. The pasta company is not disclosing the percentage of each ingredient in the blend but we know that the quinoa in the blend contains 16.2% protein, and the corn in the blend contains...
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 25 [Pdf]
Two equations are simplified by adding them or subtracting them to solve the linear equations. The practice problem is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 26 [Pdf]
Two equations are simplified by adding them or subtracting them to solve the linear equations. The practice problem is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 23 [Pdf]
Learners label the graphs of two linear equations and then solve the system. The graphs are available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 24 [Pdf]
Students label the graphs of two linear equations and then solve the system. The graphs are available in PDF format.