Curated OER
What is a Scale Drawing?
Scale drawings are an easy and plausible way to represent large things, such as roads and buildings, on paper. This tutorial explains what a scale drawing is and uses the example of a house to demonstrate how a scale drawing works. It...
Curated OER
How Do You Compare Fractions by Finding a Common Denominator?
How can you tell if two fractions are equal or different when they have different denominators? Watch this video to find out! A tutorial on common denominators, this video explains each step necessary to find common denominators, create...
Curated OER
What's a Rational Equation?
What is a rational expression? Is it something to do with numerators, denominators, and polynomials? What things make up a rational equation? Watch this video as the teacher explains what makes a rational equation.
Curated OER
How Do You Find the Least Common Denominator of Two Rational Expressions?
Adding fractions that are in rational expression form? Do they have a common denominator? No? Well, then the least common denominator needs to be found. How is the least common denominator of rational expression found? Watch this video...
Curated OER
How Do You Subtract Two Rational Expressions with the Same Denominator?
Rational expressions that are in the form of fractions. Yuk! The teacher demonstrates how to subtract one rational expression from the other when the expressions have a common denominator. Combine like terms and write it in simplest form.
Curated OER
How Do You Add Two Rational Expressions with the Same Denominator?
You have two algebraic fractions to add together so what do you do now? You say yippee because they have a common denominator. This means that all you have to do is combine the like terms in the numerators. This would be a good segment...
Curated OER
How Do You Rationalize a Denominator?
This tutorial video will show you how to get rid of that radical in the denominator and rationalize your fraction! Great for in-class or at-home use, this video could be used to supplement a lesson or clarify radicals, rationalizing, and...
Curated OER
How Do You Turn a Fraction Into a Percent?
A percent is a value over 100. You are given a fraction and need to make it a percent. Some calculations will need to be made to find an equivalent fraction. The instructor shows you how to make those calculations to the numerator and...
Curated OER
How Do You Divide a Decimal by a Decimal?
Many learners would look at this decimal division problem and just skip it. Don't let them do that! Figure out how to help your learners master long division. The teacher helps make decimals and long division seem doable.
Curated OER
What's a Numerator and What's A Denominator?
Show your class how to find the numerator and the denominator of a fraction with this video! The video includes a brief explanation and a trick for remembering which is on the top, and which is one the bottom. A great way to help your...
Curated OER
Fraction Terms
A pint sized math master shares what he knows about fractions. He clearly defines what the denominator and numerator is, what they represent, and what a fraction is. He is a little flustered and his delivery is rushed, but he's got a...
Curated OER
How Do You Solve a Rational Equation by LCD Multiplication?
Use the least common denominator to solve rational equations with variables in the denominators of algebraic fractions. Learners can watch this video to find out how to do just this! An instructor solves 2 problems by finding the least...
Curated OER
How Do You Solve a Rational Equation by Adding Fractions?
A comprehensive video, this resource explains how to solve an equation when you have a variable in the denominator. The lecturer works through 2 different problems that represent 2 situations. From this video, pupils can gain knowledge...
Curated OER
What's a Numerator and What's A Denominator?
Show your class how to find the numerator and the denominator of a fraction with this video! The video includes a brief explanation and a trick for remembering which is on the top, and which is one the bottom. A great way to help your...
Curated OER
How Do You Compare Fractions by Finding a Common Denominator?
How can you tell if 2 fractions are equal or different when they have different denominators? Watch this video to find out! A tutorial on common denominators, this video explains each step necessary to find common denominators, create...
Curated OER
How Do You Solve an Equation With Fractions With Different Denominators Using Subtraction?
A detailed video tutorial on how to solve an equation with fractions with different denominators, this resource could prove to be a valuable tool. This video covers how to deal with fractions as well as how to solve an algebraic equation...
Curated OER
How Do You Rationalize a Denominator?
This tutorial video will show you how to get rid of that radical in the denominator and rationalize your fraction! Great for in-class or at-home use, this video could be used to supplement a lesson or clarify radicals, rationalizing, and...
Curated OER
How Do You Determine If Two Ratios are Proportional by Reducing?
Working on proportional ratios in your class? This video might be for you! An instructor takes a step-by-step approach to reducing and comparing two ratios in order to determine if they are proportional. A clear video, this resource...
Curated OER
How Do You Divide Two Rational Expressions?
An instructor walks viewers through a complicated problem in which she divides 2 rational expressions. For this problem, she has to find excluded values, use the zero product property, multiply, divide, cancel, and simplify. This video...
Curated OER
What is a Scale Drawing?
Scale drawings are an easy and plausible way to represent large things, such as roads and buildings, on paper. This tutorial explains what a scale drawing is and uses the example of a house to demonstrate how a scale drawing works. It...
Curated OER
How Do You Add Mixed Fractions with the Same Denominator by Converting to Improper Fractions?
Work through adding mixed fractions by first converting each fraction to an improper fraction. This video details each necessary step, including how to reduce and convert your improper fraction back into a mixed fraction after you have...
Curated OER
How Do You Subtract Mixed Fractions with Different Denominators by Regrouping?
Are your young mathematicians having trouble with subtracting mixed fractions? Consider this video to supplement your teaching. An instructor explains step-by-step how to subtract mixed fractions with unlike denominators, showing viewers...
Curated OER
How Do You Subtract Two Rational Expressions with the Same Denominator?
Rational expressions that are in the form of fractions. Yuk! The teacher demonstrates how to subtract one rational expression from the other when the expressions have a common denominator. Combine like terms and write it in simplest form.
Curated OER
How Do You Turn a Fraction Into a Percent?
A percent is a value over 100. You are given a fraction and need to make it a percent. Some calculations will need to be made to find an equivalent fraction. The instructor shows you how to make those calculations to the numerator and...