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How Do You Solve an Inequality With Variables on Both Sides?
A direct instructional video of how to solve an inequality when you have the same variable on both sides of the inequality sign, this resource could be used in class or at home.
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How Do You Solve a Multi-Step Inequality Using Reverse Order of Operations?
Investigate inequalities with this instructional video. A lecturer presents an inequality that will take multiple steps to complete and works through the problem step-by-step, numbering and labeling each action she takes. This video is...
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How Do You Solve a Word Problem Using an Inequality With Variables on Both Sides?
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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What's a Reciprocal?
A reciprocal number is the inverse of a given value so that when multiplied the product is one. This can be done with whole number, integers, fractions, and variables. There is only one exception to this rule. Can you think what that...
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How Do You Compare Fractions by Converting to Decimals?
Two fractions with unlike denominators. Compare and figure out which one is greater. There are a couple of ways to do this. This time change the fractions to decimals to compare. Once the values are found, they can also be plotted on a...
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How Do You Multiply Decimals?
Find the product of numbers that have decimals. First, ignore the decimals and multiply the integers. Second, count the place values of the decimals for each value given. Third, add the values together. Fourth, place the decimal in the...
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How Do You Use Multiplication With Positive Numbers to Solve an Inequality Problem?
Broken lights at the skating rink? Are there enough not broken to be able to see well enough to skate? Set up this real-world word problem and find the total number of lights in the skating rink. Two given values and one variable. Solve...
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Law of Exponents 1
The laws of exponents are explained in this video. Topics include raising something to the zero power, rewriting an expression that has a negative number as an exponent, multiplying powers with the same base, raising a power to a power,...
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What's the Order of Operations?
Expressions and equations must be worked out in a specific order or the solution will be incorrect. This order of operations has been referred to in several ways, some have called it PEMDAS. Others refer to the order as: group, powers,...
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What is the Mean of a Data Set?
Average, mean, average, mean. They are the same thing. So just use the formula for finding the average of a set of numbers to get the mean. Add up the value of the terms and then divide by the number of terms in the data set. There's the...
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How Do You Put Fractions and Decimals in Order?
Many young mathematicians skip problems like this because they just don't want to do the work to figure it out. A series of fractions and decimal numbers that they have to put in some order. So they have to do some converting and if long...
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How Do You Figure Out the Sign of a Product or Quotient?
There are many ways to determine the sign of products and quotients of numbers that are multiplied or divided. Watch this video as the instructor illustrates a few ways to determine and check whether the solution is positive or negative.
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What's the Multiplication Property of Inequality?
Applying the multiplication property of inequality is just like working with linear equations. What is done on one side of the equation needs to be done on the other side of the equation. So this rule can be applied to inequalities. In...
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How Do You Solve an Inequality Where You're Multiplying Positive Fractions?
Provide this video as additional instruction on how to solve inequalities when you need to multiply positive fractions. The focus of this video is on how to use the multiplication property of inequalities correctly. The lecturer explains...
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What are Multiplicative Inverses?
How can two numbers be multiplied to get a product of one? Why is this even important? One reason this is an important skill has to do with getting rid of denominators. So learn about multiplicative inverses in this video.
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How Do You Solve an Inequality Where You're Multiplying Negative Fractions?
Examine the multiplication property of inequality with this video. An instructor goes through a problem, detailing how to solve an inequality when you need to multiply negative fractions. She defines reciprocal and puts the final...
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How Do You Solve an Inequality by Multiplying by a Positive Number?
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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What are the Inverse Properties of Addition and Multiplication?
The instructor demonstrates that when you add the opposite value of a given number to that number you will always get zero. Then she shows how multiplying by the inverse of any number except zero will equal 1.
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How Do You Figure Out Whether a Percent of Change is an Increase or a Decrease?
Another word problem to figure out. Well, first off you are trying to figure out the percent of something and this means your formula will be a proportional equivalent. Once you have the known terms in the correct places you can figure...
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Adding Fractions with Different Signs
Bring interest to your lesson on adding fractions with different signs by using this Khan Academy video. Sal employs a number line to clearly explain how he adds multiple fractions with different signs. This resource could be used as an...
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What's a Rational Number?
A few examples of numbers, whole, mixed fraction, and decimal, that can be written in fraction form to prove they are rational numbers.
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How Do You Solve a Word Problem Using an Inequality Where You're Multiplying Negative Fractions?
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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How Do You Solve a Word Problem Using an Inequality Where You're Multiplying Positive Fractions?
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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