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Instructional Video4:54
1
1
Virtual Nerd

How Was the Distance Formula Derived?

For Teachers 6th - 12th
Are you working on the distance formula? Derive the distance formula and help your learners by showing them the logic behind the distance formula. This practical video should help conceptual understanding and is appropriate for in-class...
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Instructional Video
2
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Northeast Arkansas Education Cooperative

Multiplying Binomials Using the Distributive Property

For Teachers 9th - 11th Standards
Where many multiplying binomial lessons introduce the tool of FOIL and move on, this video presentation really delves into the how's and why's of the distributive property. Careful treatment of distribution and explicitly written out...
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Instructional Video6:35
Curated OER

How Do You Find a Value to Make an Open Sentence True?

For Teachers 6th - 12th
What is an open sentence? Don't know? Want to find out? Watch this lesson on what makes an open sentence in math and learn how to solve and answer the problem.
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Instructional Video4:29
Mathispower4u

Solving Two-Step Equations (Basic)

For Students 7th - 10th Standards
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,...
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Instructional Video4:42
Welch Labs

Imaginary Numbers Are Real (Part 3: Cardan's Problem)

For Students 9th - 12th Standards
Were complex numbers discovered or invented? A video presentation makes the case for the discovery of square roots of negative one. In order for complex numbers to be real, then they must behave like other numbers, which they do in terms...
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Assessment4:42
Mathed Up!

Using a Calculator

For Students 8th - 11th
Here's a video that presents several numerical expressions to be evaluated using a calculator.Viewers come to realize that sometimes it is not just a matter of punching in the numbers, but they also need to be concerned about how the...
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Instructional Video9:33
Mathispower4u

Evaluating Algebraic Expression (L1.3)

For Students 6th - 9th Standards
You'll definitely find value in a helpful video. Young mathematicians watch a YouTube video to learn about evaluating algebraic expressions for given values. The video goes through several examples, including both mathematical and...
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Instructional Video1:51
Mathispower4u

Evaluate an Expression in the Form 3x^2y (Example)

For Students 8th - 11th Standards
What's the value in learning about 3(b^2)r? A brief YouTube video demonstrates how to evaluate the algebraic expression 3(b^2)r. Specifically, scholars find the value of this expression when b = -3 and r = -2.
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Instructional Video3:01
Curated OER

How Do You Solve a Word Problem Using an Inequality With Variables on Both Sides?

For Teachers 6th - 9th
Don't skip this word problem! Take one piece at a time in writing out this inequality. Once you have an expression that represents the words in this inequality, the rest will seem easy. So watch this video to get a better understanding...
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Instructional Video2:39
Curated OER

How Do You Use Division With Positive Numbers to Solve an Inequality Word Problem?

For Teachers 6th - 9th
A word problem with one variable and two given numbers. This word problem seems doable from the start. Wait, it's an inequality. Don't worry about that piece, just get the expression written and do the math. Watch this video and see how...
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Instructional Video5:20
Curated OER

How Do You Solve a Quadratic Equation by Using the Quadratic Formula?

For Teachers 8th - 11th
Use an informative video on the quadratic equation to help math learners of all levels. Remember that if there is a solution, there will be two values. In word problems, it might be that only one of the values might answer the question....
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Instructional Video
Northeast Arkansas Education Cooperative

Multiplying Polynomials

For Teachers 8th - 11th Standards
Without ever relying on the FOIL trick, this presentation carefully walks young algebrists through multiplying binomials by a monomial and by each other. Examples start easy, but move into complicated pairings of coefficients, positives...
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Instructional Video4:53
Krista King Math

Multiplying Multivariable Polynomials

For Students 9th - 12th Standards
Combine operations when working with polynomials. The video examples incorporate both multiplication and subtraction of polynomials. The polynomials also have multiple variables to add to the complexity.
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Instructional Video6:06
Curated OER

How Do You Compare Two Whole Numbers?

For Teachers 6th - 12th
Two very similar numbers and you have to figure out which one is larger. The teacher diagrams a place value chart and shows you how to write the two numbers to make a comparison.
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Instructional Video0:07
Curated OER

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

For Teachers 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...
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Instructional Video7:52
Mathispower4u

Evaluating Algebraic Expressions

For Students 6th - 9th Standards
What types of mistakes do your classes make when evaluating algebraic expressions? A direct video lesson explains the process of evaluating algebraic expressions by substituting values for multiple variables. The instructor highlights...
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Instructional Video4:52
Mathispower4u

Simplify and Evaluate Algebraic Expressions 1

For Students 8th - 11th Standards
Evaluate the equivalence of expressions. A helpful video walks through the process of simplifying two expressions. Using values for the variables, the presentation evaluates the original expression and the simplified expression to show...
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Instructional Video4:05
Mathispower4u

Evaluate an Expression in the Form (a-b)/(cd) (Example)

For Students 6th - 9th Standards
There's no substitute for learning through examples. A brief YouTube video shows how to evaluate an algebraic expression through substitution. The expression of interest is in the form (a-b)/(cd), where the values of the variables are...
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Instructional Video2:44
Curated OER

How Do You Solve an Inequality by Multiplying by a Positive Number?

For Teachers 6th - 12th
Instruct your pupils on solving inequalities by multiplying by positive numbers with this video. The video presents how to do just this in step-by-step fashion. A straightforward video, this could be used to supplement your lesson during...
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Instructional Video2:02
Curated OER

How Do You Solve an Inequality by Multiplying by a Positive Number?

For Teachers 6th - 9th
Instruct your pupils on solving inequalities by multiplying by positive numbers with this video. The video presents how to do just this in step-by-step fashion. A straightforward video, this could be used to supplement your lesson during...
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Instructional Video4:22
Mathispower4u

Simplify Polynomial Expressions - Add/Subtract/Multiply (Example)

For Students 8th - 10th Standards
How are your classes with polynomial operations? If they need a little extra support, this is the video for you! The lesson instructor explains several examples building from a simple addition of polynomials to a more complex example...
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Instructional Video5:37
Corbett Maths

Inverse Functions

For Students 9th - 12th Standards
The opposite operations in the opposite order create the inverse of a function. A video demonstration explains the algebraic steps in creating inverse functions from different types of functions. The examples include linear, rational,...
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Instructional Video7:22
Curated OER

What is Domain?

For Students 8th - 11th
The teacher illustrates several ways to look at what the domain is in a set of numbers. Input, output, table, graphs, and diagrams are a few of the ways in which she illustrates the meaning of domain.
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Instructional Video7:09
Curated OER

What is the Domain of a Relation?

For Students 6th - 12th
The teacher illustrates several ways to look at what the domain is in a set of numbers. Input, output, table, graphs, and diagrams are a few of the ways in which she illustrates the meaning of domain.

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