Instructional Video1:34
Curated OER

What Are the Ways You Can Solve a System of Linear Equations?

8th - 11th
Confronted with a system of equations? This tutorial briefly describes the three ways systems of equations can be solved. Substitution, graphing, and the elimination method are all covered. The only thing this video is missing is example...
Instructional Video0:05
Curated OER

What's Another Way of Solving a System of Equations Using the Elimination by Multiplication Method?

8th - 9th
Another look at solving systems of equations by using the elimination method. In this process, the instructor first uses the distributive property to multiply one of the equations to set it up for the elimination step. Yes, there are...
Instructional Video5:02
Curated OER

How Do You Solve a System of Equations Using the Elimination by Multiplication Method?

8th - 11th
The elimination method is so called because the objective is to eliminate one of the variables to solve for the remaining variable. There is an extra step in this system of equations as the original equations are not similar enough. So...
Instructional Video5:04
Curated OER

How Do You Solve a System of Equations Using the Elimination by Subtraction Method?

8th - 11th
Check out this video and see how the instructor explains how to solve a system of equations by using the elimination method. There are several steps in solving this equation: multiplying the equation by negative one, subtracting a...
Instructional Video0:07
Curated OER

How Do You Solve a Word Problem Using the Elimination by Subtraction Method?

6th - 12th
Use word problems to teach systems of equations! The instructor in this video demonstrates how to solve a word problem using a system of equations and the elimination by subtraction method. She goes through each step, carefully...
Instructional Video8:15
Virtual Nerd

How Do You Find the Intersection of Percent Data by Using a Venn Diagram?

6th - 12th
When you first read this word problem it seems pretty daunting. The instructor explains how to identify the variables, how to convert percentage to whole numbers, and how to set up the problem and solve it. She uses a Venn diagram as a...
Instructional Video6:27
Curated OER

How Do You Solve a Word Problem Using the Elimination by Subtraction Method?

8th - 11th
Use word problems to teach systems of equations! The instructor in this video demonstrates how to solve a word problem using a system of equations and the elimination by subtraction method. She goes through each step, carefully...
Instructional Video3:43
Curated OER

How Do You Solve a System of Equations Using the Elimination by Addition Method?

8th - 11th
How can a value of x and y satisfy a solution to two equations? It doesn't seem possible. Given a system of linear equation, find a solution that satisfies both equations. It can be done. In this video, the instructor demonstrates how to...