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Instructional Video2:24
Curated OER

How Do You Complete a Table By Plugging in Values?

6th - 9th
Given a table of values and an algebraic expression, plug in the given values and complete the table. There are many, many uses for tables and this one provides some beginning level practice.
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Instructional Video11:26
Teaching Channel

Algebra Skills: Support at Every Step

9th - 12th Standards
"My biggest challenge in class is to get some students to put a pen to paper, because they don't want to make a mistake." Discover how two teachers are working to help special education students develop the skills they will need in an...
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Instructional Video10:59
1
1
3Blue1Brown

Linear Transformations and Matrices | Essence of Linear Algebra, Chapter 3

11th - Higher Ed Standards
Are all transformations of the plane linear transformations? The video provides examples of transformations of the plane and provides the definition of linear transformations. The resource begins the discussion of using matrix...
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Instructional Video4:40
Mathispower4u

The Difference Quotient (Quadratic Function) Example 3

8th - 11th Standards
Take an example out of more advanced math. Pupils observe how basic algebraic concepts help solve expressions from higher level math courses. The video from a Mathispower4u Algebra 1 series shows the evaluation and simplification of the...
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Instructional Video
1
1
Northeast Arkansas Education Cooperative

Adding and Subtracting Polynomials

8th - 11th Standards
Algebra tiles help pupils understand many different algebra topics. The video explains the process of adding and subtracting polynomials using the tool. Seeing the terms as individual tiles helps learners understand the idea of a...
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Instructional Video11:21
Corbett Maths

Equations Involving Algebraic Fractions (Advanced)

9th - 11th Standards
Everyone seems to freeze when they see a fraction! Give your classes a lesson to watch and rewatch until they are comfortable with the process of solving rational equations. A video presenter demonstrates solving two rational equations....
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Instructional Video4:54
Curated OER

What Does the Slope of a Line Mean?

6th - 9th
Evaluate the steepness of lines, also known as the slope, by watching this video. A tutor explains what the slope of a line is and compares two different lines to demonstrate slope. A practical introductory video for classes that are...
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Instructional Video2:28
Curated OER

What Does the Slope of a Line Mean?

6th - 12th
Evaluate the steepness of lines, also known as the slope, by watching this video. A tutor explains what the slope of a line is and compares 2 different lines to demonstrate slope. A practical introductory video for classes that are just...
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Instructional Video4:42
Welch Labs

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

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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Instructional Video9:01
Khan Academy

SAT Prep: Test 4 Section 8 Part 1

9th - 12th
Beginning with problems 1-7, Sal works on the next section of the practice SAT from The Official SAT Study Guide (page 611). The problems include simple algebraic equations, square roots, word problems, and graphing.
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Instructional Video9:00
Khan Academy

SAT Prep: Test 8 Section 2 Part 2

9th - 12th
Using pie graphs and multiple variables, Sal carefully (yet efficiently) moves through problems 5-8 of this practice SAT session (page 839 from The Official SAT Study Guide). Both beginning and advanced mathematicians will appreciate...
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Instructional Video
Khan Academy

SAT Prep: Test 5 Section 7 Part 1

9th - 12th
A new SAT practice session (from page 669 of The Official SAT Study Guide) begins with problems 1-5. Sal demonstrates quick thinking and contemplative problem solving as he moves efficiently from one equation to the next.
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Instructional Video1:44
Curated OER

Evaluating a Function for a Variable

9th - 11th
This video tutorial does not include narration, but great math music. It describes how to evaluate a function for a variable through example, and procedure. This would be a great clip to assign as homework for learners just beginning to...
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Instructional Video5:49
Krista King Math

Complex Fractions

9th - 12th Standards
Complex fractions are fractions divided by fractions—complicated, right? The video introduces the class to algebraic complex fractions. With the introduction to variables in the denominator, it is important make sure the denominator is...
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Instructional Video3:54
1
1
Curated OER

What is the Pythagorean Theorem?

6th - 11th
Need to find the length of a side of a right triangle? Just use the Pythagorean Theorem! Follow along as the tutor defines the Theorem, explains how it works, then uses it to determine the missing length of a right triangle. 
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Instructional Video11:54
Math Antics

The Distributive Property

6th - 9th Standards
The distributive property works both ways. Connecting the distributive property from arithmetic to algebra, the resource shows how it works with variables too. The video provides examples of using the distributive property with a factor...
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Instructional Video4:42
Mathispower4u

Simplify Basic Expressions with Negative Exponents

8th - 11th Standards
Identifying the base is extremely important. Using five problems with negative exponents, the narrator demonstrates that knowing the base is important in simplifying algebraic expressions. The different problems use the same numbers but...
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Instructional Video2:10
Curated OER

Adding Polynomials

7th - 9th
Adding two polynomials begins with simplifying when possible. Sal demonstrates the process he uses to combine like terms and explains why the process works. This video would be great for those who need a quick refresher.
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Instructional Video9:06
Khan Academy

Introduction to Function Inverses

10th - 12th
Starting from a brief look at functions and the mapping of domains to ranges, Sal starts out with an intuitive sense of what a function inverse is. He then, using an example, shows how to find the inverse of a function and also shows how...
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Instructional Video7:48
Khan Academy

Inequalities Using Addition And Subtraction

7th - 11th
Beginning a "handful of fairly simple inequality videos," Sal demonstrates a few inequality problems in which mathematicians need to add or subtract. Though he states that his goal is to familiarize viewers with the notation, his...
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Instructional Video10:45
Curated OER

Geometric Sequences (introduction)

7th - 11th
Serving as an introduction to the idea of geometric sequences, this video defines the concept as "a special sequence of numbers where each successive number Is a fixed multiple of the number before it." Sal works slowly in the beginning,...
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Instructional Video12:01
Curated OER

Solving Systems of Equations by Multiplication

8th - 10th
Sal begins this video by "massaging the equations a little bit in order to prepare them for elimination." The equations won't be the only relaxed part of this lesson, which introduces the concept of multiplication to systems of...
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Instructional Video14:06
Curated OER

Solving Quadratic Equations by Completing the Square

8th - 11th
"The neat thing about completing the square is that it will always work," Sal explains, "no matter how crazy the problem is." A basic overview of how to complete the square, this video provides a good background for both beginning and...
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Instructional Video12:16
Curated OER

Basic Math: Lesson 6 - #8 - Division of Fractions

5th - 7th
Dividing fractions! This clip begins with fraction circles described as parts of a whole, shows the actual fractions that represent the images, then defines what reciprocal means. Example problems employing the use of a reciprocal show...

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