Curated OER
How Do You Solve an Equation Using Multiplication?
The teacher demonstrates how to use the multiplication property of equality, applying it to both sides of the equation to find the solution.
Curated OER
How Do You Solve a System of Equations Using the Substitution Method?
Watch this video to learn how to find the solution to a system of equations with the substitution method! A teacher will lead you through each step necessary, explaining her steps and the reasoning behind her decisions. After watching...
Curated OER
Junior Chemistry: Balancing 2
Using the combustion reaction of ethane as an example, Chemguy continues to explain how to balance chemical equations. Have your chemistry learners view this series of three videos at home before you begin teaching how to balance...
Math TV
Math tv.com: Simplifying Expressions: With Numbers Only
Learn how to use order of operations to simplify expressions. Several videos, featuring a math teacher and students, offer step-by-step instruction on how to simplify expressions that only involve numbers.
Math TV
Math tv.com: Positive and Negative Numbers: Order of Operations
Several video demonstrations offer help with using order of operations to simplify expressions.
Khan Academy
Khan Academy: Algebra: Multi Step Equations 1
A video that demonstrates how to solve a multi-step equation. The equation contains all integers. [4:33]
Sophia Learning
Sophia: Simple Factoring: Lesson 1
This lesson shows how to identify common factors in an equation and factor them out to make solving simpler. It is 1 of 13 in the series titled "Simple Factoring."
Khan Academy
Khan Academy: Algebra: Equations and Inequalities
Video demonstrating how to write and solve equations and inequalities from real-world situations. Also included are examples of testing solutions to inequalities. This video is also found in the strand Algebra: ck12.org. [16:11]
Khan Academy
Khan Academy: Algebra: More Advanced Ratio Problem With Algebra
A step-by-step instructional video on how to solve a ratio problem using algebra. [9:58]
Khan Academy
Khan Academy: Algebra: Integer Sums
This video shows how to set up a linear equation to determine the value of unknown consecutive integers. There are two examples given that also demonstrate how to solve these equations. [9:56]
Khan Academy
Khan Academy: Algebra: Alternate Solution to Ratio Problem
A step-by-step demonstration on an alternate method for how to solve a ratio problem algebraically with cross multiplication. [7:02]
Khan Academy
Khan Academy: Algebra: Taking Percentages
This video demonstrates how to take the percent of a number. It also takes it further and demonstrates how to set up an algebraic equation in order to find what number when you take a certain percent from it gives you another number....
Khan Academy
Khan Academy: Algebra: Solving Equations 2
This video demonstrates how to solve a multi-step equation with integers. It also demonstrates how to check your answer by plugging the answer back into the original equation. [4:06]
Khan Academy
Khan Academy: Algebra: Multi Step Equations
This video demonstrates how to solve multi-step equations. There are two sample problems where an equation is given and a third word problem that requires an equation to be written and solved. [15:01]
Khan Academy
Khan Academy: Algebra: Algebraic Word Problem
This video shows how to write and solve a multi-step equation based on an algebraic word problem. [8:02]
Khan Academy
Khan Academy: Algebra: Linear Equations 2
A video that demonstrates how to solve equations of the form Ax + B = C. There are two sample problems that include integers and fractions. Practice problems available. [6:06]
Khan Academy
Khan Academy: Algebra: Equations 3
This video demonstrates how to solve equations with a variables on both sides of the equal sign. Practice problems available. [8:53]
Khan Academy
Khan Academy: Algebra: Two Step Equations
A video that demonstrates how to solve multi-step equations. There are four different examples that use a combination of fractions, decimals, and integers. This video is also found in the strand Algebra: ck12.org. [13:50]
Khan Academy
Khan Academy: Algebra: Growing by a Percentage
This video demonstrates how to find the new value of a number after it grows by a given percent. It also shows to set up and solve an algebraic equation in order to determine the original amount before a certain number grows by a given...
Khan Academy
Khan Academy: Algebra: Equations 2
This video demonstrates how to solve equations of the form Ax + B=C. There are two indepth examples that also demonstrate how to add and subtract positive and negative integers. Practice problems available. [8:41]
Khan Academy
Khan Academy: Algebra: Equation Special Cases
A video that demonstrates an equation that results in no solution. [1:55]
Khan Academy
Khan Academy: Algebra: Linear Equations 3
A video that demonstrates how to solve a multi-step linear equation. There are two sample problems that contain only integers. Practice problems available. [6:44]
Khan Academy
Khan Academy: Algebra: Percent Problems
This video works through examples on how to convert a fraction to a percent and a percent to a fraction. Then, it applies this knowledge by demonstrating how to solve algebraic percent problems. Practice problems available. This video is...
Khan Academy
Khan Academy: Algebra: Word Problem Solving 3
A video that demonstrates how to write and solve equations for several different types of algebraic word problems. This is another percent example. This video is also found in the strand Algebra: ck12.org. [11:06]