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### We found 400 resources with the keyterm variables

Videos (Over 2 Million Educational Videos Available) 5:34
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#### Party Planning

For Teachers 5th - 8th Standards
Introduce simple algebraic equations using real-world activities. Let small groups work through a party-planning activity. In light of this information, the group needs to decide how many kids can be invited to the party or how many...
10:00
Lesson Planet

#### SAT Prep: Test 2 Section 6 Part 1

For Students 9th - 12th
Using The Official SAT Study Guide, Sal begins another review session of eighteen problems, six of which are addressed in this video. The problems involve variables in linear equations, angles and parallel lines, and ratios. One problem...
Lesson Planet

#### Variables Affecting Earth's Albedo

For Teachers 6th - 12th
Students study the variables that affect the Earth's albedo.  In this environmental data analysis lesson students interpret and graph information and calculate changes.
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#### Solving Equations I

For Teachers 6th - 9th Standards
Math learners will solve algebraic equations. They will discover how to solve equations that have variables on both sides of the equals sign. Then practice this skill several times, with and without assistance.
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#### Making Variables More Concrete

For Teachers 8th - 10th
When teaching about the different types of variables, practice is the key.
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#### Multiplicative Candy Boxes I

For Teachers 6th - 8th
Discover symbolic representation for numbers. Learners work on one algebra problem as a class using charts and sharing different ways to go about finding an answer. They make predictions, share findings, and explore how variables can be...
2:33
Lesson Planet

#### Solving Proportions

For Teachers 5th - 8th
Duane demonstrates how to look at the relationship between the ratios to find the value of a variable to make equal proportions. He demonstrates a vertical, horizontal and a cross multiplying relationship of the ratios.
5:09
Lesson Planet

#### How Do You Find Missing Angles in a Triangle With Variables?

For Teachers 8th - 10th
Are you working on finding the missing angles of triangles in your class? Consider this video. An instructor uses the triangle sum theorem to create an equation that helps her find the missing angles. She explains each step and writes...
2:47
Lesson Planet

#### How Do You Find a Value for x that Makes Two Lines Parallel?

For Teachers 9th - 11th
So you have a transversal line intersecting two parallel lines and you are looking for a value that would make two corresponding angles congruent. You have all the information needed to write an equation to find the value. So write that...
1:44
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#### How Do You Find the Degree of a Monomial?

For Teachers 7th - 9th
Watch this tutorial and you'll be able to find the degree of a monomial. What is a degree? Don't worry, clear definitions and explanations will provide you with everything needed to solve expressions involving degrees.
5:40
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#### What's the Power of a Power Rule?

For Teachers 8th - 9th
Follow along and learn a slick trick to help you solve problems involving an exponent raised to another exponent. You'll use the power of a power rule and simplification to solve the problem. This is a clear tutorial that does a good job...
0:59
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#### What's a Solution Set?

For Teachers 8th - 11th
A solution set is the set of ordered pairs that are the solutions to a two variable problem. Not sure what all that means? Watch this video and the teacher will explain it clearly.
5:44
Lesson Planet

#### How Do You Reduce Common Factors in a Rational Expression?

For Teachers 7th - 9th
Multiply the given algebraic fractions. But first, reduce, reduce, reduce! It is a good rule of thumb to reduce as much as possible before multiplying. So how do you reduce rational expressions? Put the like terms together and cancel the...
0:02
Lesson Planet

#### How Do You Solve an Equation with No Solution?

For Teachers 8th - 9th
This equation has variables on both sides. No problem, right? Follow the steps necessary to solve this problem. Wait! Something is not right. The left side of the equation does not equal the right side of the equation. How can that be?...
4:31
Lesson Planet

#### What Are Numerical and Algebraic Expressions?

For Teachers 6th - 9th
Numerical expressions contain numbers and mathematical operations. In addition to numerical expressions, algebraic expressions contain not only numbers but also variable(s). Watch this video as the instructor illustrates several examples...
7:26
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#### What are Like Terms?

For Teachers 7th - 9th
Combine those like terms! What does that mean? How do I do that? Find terms with the same variable and find terms with the same powers and combine their coefficients.
11:22
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#### Algebra: Introduction to Algebra

For Teachers 8th - 12th
That old math tutor from is back and he is here to introduce the concept of algebra. This clip is actually quite clear and informative. Variables, constants, and algebra are defined along side solid examples. This clip would be good for...
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#### Bookstore Account

For Teachers 6th - 8th Standards
We use debt often to describe negative numbers and your learners will be able to see how it translates into math. They will be asked to go through a series of transactions and make simple equations for each one, following it with a...
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#### Triangular Tables

For Teachers 5th - 7th Standards
Somewhat of a puzzle, this problem gets pre-algebra preteens to write an expression representing a seating chart using triangle-shaped tables. This single task is an applicable lesson for meeting sixth grade Common Core math standards....
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#### Writing and Solving px+q=r Equations - 7.EE.4.a Isabelle's iPod

For Teachers 6th - 8th Standards
Middle school math classes set up problems that include variables and then find the solutions. Two worksheets are included with this well-developed resource, and the real-world scenarios deal with popular topics such as mobile devices,...
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Lesson Planet

#### Solving Equations

For Teachers 8th Standards
If you have two bags with an unknown number of tiles, represented by x, and you add three tiles to get seven total, you can set up a linear equation to represent the problem. Use this example and a few others to demonstrate how to solve...
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Lesson Planet

#### Two Way Tables

For Students 7th - 9th Standards
Starting statisticians work with several sets of data, all of which involve two variables taken from the same subjects. They complete two-way tables and compute relative frequencies. Although the handouts are not visually appealing,...
5:44
Lesson Planet

#### How Do You Find Missing Angles in a Triangle With Variables?

For Teachers 6th - 12th
Are you working on finding the missing angles in triangles in your class? Consider this video. An instructor uses the triangle sum theorem to create an equation that helps her find the missing angles. She explains each step and writes...
0:07
Lesson Planet

#### 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...