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Instructional Video
Curated OER

Solving Equations

8th - 12th Standards
A mathematics video explains the parts of an equation and reviewing relevant vocabulary. Next, it covers one-, two-, and multi-step equations. It includes a few example problems for each type as well.
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Instructional Video2:34
Curated OER

How Do You Solve a Two-Step Equation With a Negative Variable Term?

6th - 12th
The instructor goes through the steps of how to solve for the value of a variable in a two-step equation. Beware, this problem has a negative variable in the beginning.
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Instructional Video2:34
Curated OER

How Do You Solve a Two-Step Equation by Multiplying by -1 First?

6th - 8th
So what do you do when you have to solve an equation that has a negative variable? There are a couple of ways to solve this problem. In this video, the instructor first demonstrates how to use the multiplication property of -1 to get rid...
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Instructional Video4:49
Curated OER

How Do You Solve an Equation with Variables on Both Sides and Fractions?

6th - 12th
Fractions and variables on both sides of the equation? Oh my! There are one hundred and one steps to solving this equation. Not really, but now that I have your attention, I recommend you watch this video closely and follow the...
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Instructional Video7:07
Curated OER

How Do You Solve a Word Problem Using an Absolute Value Inequality?

8th - 11th
After reading this inequality word problem, young learners might just skip over it and not even make the attempt to solve it. It seems rather complicated. So watch this video as the teacher explains all that needs to be done to solve...
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Instructional Video2:43
Curated OER

How Do You Solve a Word Problem Using an Inequality Where You're Multiplying Negative Fractions?

6th - 9th
It just doesn't seem right to lose points when answer a question incorrectly. Well, that's what this word problem is all about. So calculate how many incorrect answers the team gave. Don't forget to flip the inequality when dealing with...
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Instructional Video2:48
Curated OER

How Do You Solve a Word Problem Using an Inequality Where You're Multiplying Positive Fractions?

6th - 9th
Ingrid got some good advice from her father about building a bridge out of pasta. Now she has to do some calculations to build a strong pasta bridge. Figure out how tall she can build her bridge based on a given length. Two given values...
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Instructional Video12:15
Curated OER

Singapore Math: Grade 3a, Unit 2 (part 11)

3rd
Solving two-step word problems is a great way to build strong critical thinking and creative problem-solving skills. This video showcases three word problems involving multi-digit addition or subtraction. Sal highlights important...
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Instructional Video11:45
Curated OER

Compound Inequalities

7th - 11th
After defining compound inequality problems as "just inequality problems that have more than one set of constraints," Sal goes on to solve several sample problems. Those who have a hard time with multi-step equations might find this...
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Instructional Video3:21
Curated OER

How Do You Solve an OR Compound Inequality and Graph It On a Number Line?

6th - 12th
Go over how to solve a compound inequality and graph it with this video. The video is clear and concise. A lecturer solves a compound inequality and graphs it on the spot, explaining each operation in detail. Great for in-class or...
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Instructional Video2:46
Curated OER

How Do You Solve an OR Compound Inequality and Graph It On a Number Line?

7th - 9th
Go over how to solve a compound inequality and graph it with this video. The video is clear and concise. A lecturer solves a compound inequality and graphs it on the spot, explaining each operation in detail. Great for in-class or...
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Instructional Video5:31
1
1
statisticsfun

Standard Deviation and Variance

9th - 12th Standards
When does 10 + 7 = 13? When you add wrong. The video walks you through solving standard deviation and variance problems by hand, including ways to check your work. 
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Instructional Video2:42
Curated OER

How Do You Solve an Inequality Using Addition?

6th - 12th
Use the addition property of inequality to solve this problem. It's just a one step solution and then the instructor shows how to write the answer in set builder notation.
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Instructional Video2:30
Curated OER

How Do You Solve an Inequality Using Subtraction?

6th - 12th
Use the subtraction property of inequality to solve this problem. It's just a one step solution and then the instructor shows how to write the answer in set builder notation.
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Instructional Video4:48
1
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Socratica

Chemistry: Introduction to Unit Conversion and Dimensional Analysis (Part 2)

6th - 12th Standards
If you know how much carbon dioxide you produce in one breath, can you figure out how much you produce in one month? Socratica helps solve multi-step unit conversion problems. The video walks through how to set up these challenges and...
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Instructional Video3:31
Curated OER

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

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 Video6:49
Curated OER

How Do You Use an Equation with Consecutive Numbers to Solve a Word Problem?

8th - 9th
Mrs. Jenkins has five children. How old is each one of them? A big word problem with lots of numbers to figure out. Show this video to your class! The more exposure your learners have to word problems, the more comfortable they will be...
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Instructional Video6:14
Curated OER

How Do You Solve a Word Problem Using an AND Compound Inequality?

8th - 11th
This looks like a big word problem. There are four known values and you have to find one unknown value. How are you going to write out this inequality to solve it? Do you know what a compound inequality is? An inequality with an 'AND' or...
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Instructional Video2:40
Virtual Nerd

How Do You Solve For a Variable In Terms Of Another Variable?

6th - 12th Standards
Two variables in an equation and you want to solve for one in terms of the other. Watch the instructor demonstrate the steps to isolate each variable. She will use the subtraction rule of equality and the division rule of equality to...
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Interactive3:08
Scholastic

Study Jams! Percents

5th - 7th Standards
Sam's mom is a bowling woman and her birthday is around the corner. Can Sam afford the shirt in the store window for her? Mia helps him solve a multi-step percent problem to figure it out!
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Instructional Video2:03
Curated OER

How Do You Solve For a Variable In Terms Of Another Variable?

7th - 9th
There are two variables in an equation and you want to solve for one in terms of the other. Watch the instructor demonstrate the steps to isolate each variable. She will use the subtraction rule of equality and the division rule of...
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Instructional Video3:45
Curated OER

How Do You Figure Out the Rate Traveled if You Know Distance and Time?

6th - 12th
If you know two values and are looking for a third, you can set up an equation and solve to find your answer. In this problem you know distance and time, and you are looking for rate of speed. Use the distance formula to set up your...
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Instructional Video3:03
Curated OER

How Do You Figure Out the Rate Traveled if You Know Distance and Time?

6th - 10th
If you know two values and are looking for a third, you can set up an equation and solve to find your answer. In this problem you know distance and time, and you are looking for rate of speed. Use the distance formula to set up your...
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Instructional Video4:42
Virtual Nerd

How Do You Solve a Radical Equation?

6th - 12th
Oh my, there's a variable inside the radical . How will you ever solve this one? The teacher explains step-by-step just how to solve this radical equation. She also shows how to check to make sure the answer is the correct one.