Khan Academy
Khan Academy: Systems Overivew: Talking Bird Solves Systems With Substitution
A lesson video solving systems of equations with substitution.
Khan Academy
Khan Academy: Yoga Plans: Super Yoga Plans Basic Variables and Equations
Students explore the basics of systems of equations by looking at two yoga plans to determine which is a better deal.
Khan Academy
Khan Academy: Yoga Plans: Super Yoga Plans Solving Systems by Elimination
Students explore a systems of equations problem that can be solved by using the elimination method to solve for the number of sessions at which both plans cost the same.
Khan Academy
Khan Academy: Yoga Plans: Super Yoga Plans Solving Systems by Substitution
This video is a continuation of our Yoga plan debate by determining where the lines representing the two plans intersect. Students use the substitution method to solve a system of equations.
Khan Academy
Khan Academy: Non Linear Systems of Equations: Systems of Nonlinear Equations 2
A video demonstration on how to find the solution of two systems of equations.
Khan Academy
Khan Academy: Systems Overivew: Practice Using Substitution for Systems
This video lesson shows how to solve a system of two equations by using the substitution method.
Khan Academy
Khan Academy: Systems Overivew: Solving the Troll Riddle Visually
This video shows how to solve the system of equations visually.
Khan Academy
Khan Academy: Thinking About Solutions to Systems: Infinite Solutions to Systems
Students can review systems of equations and inequalities with infinite solutions in this short video.
Khan Academy
Khan Academy: Inconsistent Systems of Equations
Review systems of equations without a solution in this short video.
Khan Academy
Khan Academy: Systems Overivew: Trolls, Tolls, and Systems of Equations
A troll forces us to use algebra by solving a system of equations to figure out the make-up of his currency.
Khan Academy
Khan Academy: Thinking About Solutions to Systems
Students explore systems of equations by looking at the number of possible solutions of a system.
Khan Academy
Khan Academy: Non Linear Systems of Equations: Systems of Nonlinear Equations 3
A demonstration on how to find the solution of a linear and a nonlinear systems of equations graphically and by the substitution method.
Khan Academy
Khan Academy: Systems Overivew: Solving Systems Graphically
This video shows solving systems graphically.
Sophia Learning
Sophia: Identifying Parallel, Intersecting, and Identical Lines
This video lesson demonstrates how to determine if linear equations are parallel, identical, or intersecting. Students can check their understanding with an assessment.
Sophia Learning
Sophia: Non Linear Systems of Equations
Use substitution and elimination to solve a system of nonlinear equations with variables. Assess learning with a quiz.
Sophia Learning
Sophia: Solving Linear Systems by Graphing
Solve linear systems of equations using a graph and take a quiz to assess learning.
Sophia Learning
Sophia: The Meaning of Systems of Equations
Determine how to solve systems of equations and how they can be used to represent useful information. Take quiz to assess learning.
Khan Academy
Khan Academy: Systems of Equations Word Problems: Systems and Rate Problems
This video demonstrates how to set up and solve a system of equations in order to solve a word problem concerning rates.
Imagine Learning Classroom
Learn Zillion: Lesson Video for 'Estimate Values on a Graph'
In this lesson, you will learn how to read from a graph by estimating between gridlines. [5:15]
PBS
Wnet: Thirteen: Get the Math: Get the Math in Basketball Introduction
Basketball player Elton Brand describes how he became an NBA star, then presents a challenge about the math behind the perfect free throw shot.
PBS
Wnet: Thirteen: Get the Math: Math in Special Effects Introduction
Jeremy Chernick from J&M Special Effects discusses how he ended up creating effects as a career, then introduces a challenge about the algebra behind lighting high-speed effects like explosions.
Khan Academy
Khan Academy: Algebra I Worked Examples: Solving Systems by Graphing
The video examines systems of equations. Students watch an example on how to solve systems by graphing. [3:26]
Khan Academy
Khan Academy: Algebra I Worked Examples: Solving Systems by Graphing 3
The video examines systems of equations. Students watch an example on how to solve systems by graphing.
Khan Academy
Khan Academy: Algebra I Worked Examples: Solving Systems by Elimination
The video example explores how to solve word problems using systems of equations. Students watch an example on how to create and find the solutions to a system using the elimination method. [5:51]