Khan Academy
Multiplying and Dividing with Inequalities Example, Linear Inequalities, Algebra I
Sal expounds on the concept of solving and graphing one-step inequalities. He solves two practice problems along the way. If shown in conjunction with Khan's other inequality video lesson, they would make a great lesson on inequalities.
Khan Academy
One-Step Inequality Involving Addition, Linear Inequalities, Algebra I
Practice problems are great ways to engage your charges with a new concept. Sal solves for x + 8 less than or equal to six and then graphs the solution. First, he subtracts eight from both sides, and then he subtracts six. Next, he draws...
Khan Academy
Multi-Step Inequalities, Linear Inequalities, Algebra I
Complete an algebra lesson with this video on evaluating and solving multi-step inequalities. Sal Khan completes several practice problems, explaining his process while exemplifying strong teaching skills. Each problem is different and...
Mathispower4u
Solving Equations Using the Story of x (Part 1)
Tell the story of solving an equation. With words and symbols, viewers learn to describe what is happening in an equation. Using that description, pupils reverse the story to arrive at the value of x that makes the equation true.
Corbett Maths
Forming and Solving Equations
Age becomes a problem. Learners see how to set up and solve age word problems. The video goes through two examples of word problems relating the ages of people. The first example uses the relationship between the ages of two people and...
Mathispower4u
Literal Equation Application - Perimeter of a Rectangle (Example)
Determine the dimensions of a rectangle knowing the perimeter. Pupils find a method to determine the length of a rectangle given the perimeter. The video shows how to solve the perimeter equation for the length. Scholars see how to use...
Mathispower4u
Find an Age Given An Average Age and Relationship Between Two Ages (Example)
Apply solving linear equations to averages. A helpful video presents an average age problem given two unknown ages. Pupils learn how to set up the problem from the given information. They see how the equation is reduced to a two-step...
Corbett Maths
Forming Equations Involving Perimeter or Angles
Use perimeter and angle measures to practice solving equations. Pupils see two geometry applications of solving two-step equations. The video works one example involving perimeter and two with the sum of angles in a quadrilateral and a...
Mathispower4u
Solve a Two-Step Equation with Decimals (Example)
Oh no, there are decimals! A resource shows a method to solve a two-step equation that contains decimals. Using a process of clearing the decimals, the presenter converts the equation into a basic two-step equation with whole numbers. At...
Mathispower4u
Solving Two Step Equations Involving Decimals
With two examples, the presenter shows how to solve a two-step linear equation that contains decimals. Prior to solving the first example, the presentation reviews the steps to solving any two-step linear equation. The examples require...
Mathispower4u
Solving Two-Step Equations (Basic)
Solving equations is as easy as 1-2-3. Using two examples, the video shows the order of the steps to use when solving a two-step equation. It uses a vertical approach to perform the inverse operations to isolate the variable. To finish,...
Mathispower4u
Modeling Change with Equivalent Equations ax + b = c
Mix it up while representing changes in a drink recipe. Using a scenario about making a party drink, the video creates an equation. The process uses equivalent expressions on each side of the equation to build the final equation. By...
Mathispower4u
Solve Two Step Linear Equations in One Variable (Example)
Introduce young mathematicians to a different kind of two step. Using four different equations, the resource reinforces the steps to solving a two-step linear equation. The video works each problem and demonstrates how to isolate the...
PBS
Real-Life Math | Woodworker
Woodworking is math-intensive work. Viewing a video of a woodworker explaining how he applies math in his craft sets the stage for a crafty lesson. Pupils use ratios and proportions to create scale drawings of objects.
Mathispower4u
Problem Solving with Equations
Having problems with problem solving? Here's a video for you! Pupils watch an informative YouTube video that describes how to set up and solve equations for a given situation. It shows each step in the problem-solving process for several...
Math Antics
Solving Two-Step Equations
Order really does matter! Show your class how order makes a difference in solving equations. The presentation uses the order of operations in reverse as a guide to help solve two-step equations. Continuing, the video shows how to solve...
Mathed Up!
Algebra: Substitution
The sixteen problems in this resource present opportunities for pupils to practice substituting into algebraic expressions. Scholars evaluate algebraic expressions for given values of the variables. In a few cases, class members need to...
Art of Problem Solving
Distributive Property
Here is a video that makes individuals feel comfortable with working with the distributive property.
Scholastic
Study Jams! Addition & Subtraction Equations
Zoe is decorating a cake for her grandpa's birthday and needs to know how many more candles to add. Follow along as she explains how to set up and solve algebraic equations in this step-by-step presentation. Equations with negative...
Scholastic
Study Jams! Proportions
Join Zoe and Sam as they use proportions to budget money for their Green Earth Club. Watch as they set up and solve a series of proportions using cross multiplication and division. A great resource that brings together prior knowledge of...
Mathispower4u
Find the Width of a Rectangle Given the Perimeter
Gardening sure requires a lot of math! Scholars determine the width of a rectangular garden box given its length and perimeter. They then solve for w in the perimeter formula at the conclusion of the brief YouTube video.
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: Testing Solutions for a System of Inequalities
This video demonstrates how to take a given point and test if it is a solution for a system of inequalities by using substitution. [1:15]
Math Playground
Math Playground: How Do You Solve a Variable Equation?
This video demonstrates how to solve simple equations with one variable. The instructor shows an example for each of the basic operations; addition, subtraction, multiplication, and division.