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Instructional Video2:28
Curated OER

What's the Division Property of Inequality?

For Teachers 6th - 9th
This video shows a quick definition and some examples of how to apply the division property of inequality. It's just like working with linear equations in that what you do on one side of the equation needs to be done on the other side of...
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Instructional Video3:16
Curated OER

What's the Standard Form of a Polynomial?

For Teachers 8th - 11th
The teacher explains how to write a polynomial in standard form in one variable. She first explains standard form and then shows several examples. A couple of expressions were not in standard form and I would have liked to see her...
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Instructional Video9:52
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3Blue1Brown

Vectors, What Even Are They? | Essence of Linear Algebra, Chapter 1

For Students 11th - Higher Ed Standards
Take a look at vectors as geometric objects and then as an algebraic concept. The second video in a series of 15 introduces the vector using three perspectives: the physics, computer science, and mathematical. The resource shows the...
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Instructional Video3:13
Curated OER

How Do You Find the Mode of a Data Set Where All The Numbers are Different?

For Teachers 6th - 12th
You already know that the mode of a data set is the number that occurs most often in the set. But what if all of the numbers in the set occur the same number of times? I could tell you the answer, but I think you should watch the video.
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Instructional Video4:22
Curated OER

How Do You Find a Missing Angle in a Triangle?

For Teachers 6th - 10th
The interior angles of any and ALL triangles adds up to 180 degrees. So if given two of the angle degrees, is it possible to find the value of the third angle? Yes! Use the triangle sum theorem to solve for the missing angle. Watch this...
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Instructional Video4:45
Curated OER

How Do You Factor a Polynomial Using Difference of Squares?

For Teachers 8th - 10th
Do you have a perfect square binomial? Don't know, not sure, what is a perfect square binomial? The instructor takes you through many steps to see if this given binomial is a perfect square. It is, and she shows you how to factor it.
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Instructional Video3:31
Curated OER

How Do You Solve a Word Problem Using a Two-Step Equation with Decimals?

For Teachers 6th - 9th
A word problem with just one variable. Definitely doable! Identify all the components in this word problem then write an equation. Now solve it using the properties of equality.
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Instructional Video5:45
Curated OER

What is the Distributive Property?

For Teachers 6th - 9th
An informative video on the distributive property, this resource could be used to help promote understanding of the concept. The instructor defines the distributive property and demonstrates how it works with variables. Show this video...
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Instructional Video6:14
Curated OER

How Do You Solve an AND Compound Inequality by Rewriting as Two Inequalities?

For Teachers 8th - 9th
What is a compound inequality? Most inequalities have two parts, one on each side of the inequality symbol. In this compound inequality there are two inequality symbols and three terms. Watch this video and learn how to solve this...
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Instructional Video3:23
Curated OER

How Do You Solve a Two-Step Equation with Fractions by Multiplying Away the Fraction?

For Teachers 6th - 12th
The instructor shows how to first multiply an equation to get rid of the fraction. This is one method to solving a multi-step equation. After getting rid of the fraction, he shows how to use the addition property of equality to further...
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Instructional Video2:53
Curated OER

How Do You Solve for a Variable in a Fraction Using Multiplication First?

For Teachers 7th - 9th
A multi-step equation with a fraction. Oh my! Just get rid of that fraction first and the rest will fall in to place. Follow the instructor as she takes you through the many steps to solving this equation.
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Instructional Video3:35
Curated OER

How Do You Solve an Inequality by Dividing by a Negative Number?

For Teachers 6th - 9th
With an enthusiastic instructor who writes clear steps on a whiteboard, this video demonstrates how to solve an inequality by dividing by a negative number. What makes this video stronger is the second part of the video, in which the...
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Instructional Video2:47
Curated OER

How Do You Solve a Multi-Step Equation with Fractions by Multiplying Away the Fraction?

For Teachers 7th - 9th
The instructor shows how to first multiply an equation to get rid of the fraction. This is one method to solving a multi-step equation. After getting rid of the fraction, he shows how to use the addition property of equality to further...
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Instructional Video6:42
Curated OER

How Do You Solve a Word Problem with Exponential Growth?

For Teachers 8th - 11th
Does this word problem describe exponential growth? Is something increasing? Is it increasing at a constant rate? How much is it increasing? Use the function formula for exponential growth to figure out this problem.
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Instructional Video1:44
Curated OER

How Do You Solve an Equation Using Addition?

For Teachers 6th - 9th
The teacher demonstrates how to use the addition property of equality, applying it to both sides of the equation to find the solution.
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Instructional Video1:35
Curated OER

How Do You Solve an Equation Using Subtraction?

For Teachers 6th - 9th
The teacher demonstrates how to use the subtraction property of equality, applying it to both sides of the equation to find the solution.
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Instructional Video1:52
Curated OER

How Do You Solve a Two-Step Equation?

For Teachers 6th - 9th
The instructor goes through the steps of how to solve for the value of a variable in a two-step equation.
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Instructional Video4:07
Curated OER

How Do You Add Complex Numbers by Graphing in the Complex Plane?

For Teachers 10th - 11th
Graphs usually add an extra dimension to ones understanding of mathematical concepts and graphing complex numbers is no exception. This video shows to graph complex numbers on the complex plane and what the results of adding complex...

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