Instructional Video5:34
Curated OER

How Do You Rationalize a Denominator?

6th - 12th
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...
Instructional Video2:54
Curated OER

How Do You Figure Out the Price of an Item With Sales Tax?

6th - 12th
Sales tax always increases the price of your purchases. How can you figure out how much you'll be paying in full? Teach your class how to figure our their total cost, including sales tax, with this video. Using an example of a pair of...
Instructional Video4:55
Curated OER

How Do You Find the Area of a Trapezoid?

6th - 12th
Trapezoids can be tricky. Break down the process of finding the area of a trapezoid with this video! Viewers are given information about the area formula and shown exactly how to plug in information, solve, and simplify. This is a...
Instructional Video5:17
Curated OER

How Do You Determine If Two Ratios are Proportional by Reducing?

6th - 12th
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...
Instructional Video5:17
Curated OER

How Do You Find the Cube Root of a Perfect Cube?

6th - 12th
Introduce your class to cube roots! You can show them this video, in which an instructor demonstrates how to find the cube root of a perfect cube. While this video is clear and well-made, it is appropriate only for more advanced learners...
Instructional Video10:28
Curated OER

How Do You Divide Two Rational Expressions?

6th - 12th
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...
Instructional Video6:15
Curated OER

How Do You Add Mixed Fractions with the Same Denominator by Converting to Improper Fractions?

6th - 12th
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...
Instructional Video2:27
Curated OER

How Do You Subtract Two Rational Expressions with the Same Denominator?

6th - 12th
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.
Instructional Video2:38
Curated OER

How Do You Find the Volume of a Box Whose Sides are Monomials?

6th - 12th
Length times width times height. Yes, the formula for the volume of a rectangular shape. But the values are monomials. Use the knowledge you have to multiply the monomials and then write it in simplest form.
Instructional Video3:22
Curated OER

How Do You Simplify an Expression?

6th - 12th
If you know how to use the distributive property and you know how to combine like terms, then you can simplify this expression.
Instructional Video6:07
Curated OER

How Do You Simplify a Mixed Expression Over a Mixed Expression?

6th - 12th
You will need to pay close attention while watching this video. There are many steps and many operations to do to simplify this algebraic fraction. And if it seems hard the first time you watch it and you miss something, then watch it...
Instructional Video2:33
Curated OER

How Do You Solve a Word Problem by Subtracting Polynomials?

6th - 12th
It's not a complicated word problem, but the picture frame just gives the problem a little context. So you are trying to find the difference, which means subtraction. The instructor reviews how to distribute the negative sign to the...
Instructional Video4:18
Curated OER

How Do You Find the Additive Inverse of a Polynomial?

6th - 12th
Finding the additive inverse is not as complicated as you might think. The instructor demonstrates how to multiply each of the terms in the polynomial by -1 and explains how this works. But wait, there's a quicker way. What's that you...
Instructional Video3:03
Virtual Nerd

How Do You Divide Fractions?

6th - 12th Standards
You want me to what? Divide fractions? Ok, breathe. Would it be better if you multiplied those fractions? Find out how to change a division of fractions into a multiplication of fractions.
Instructional Video3:23
Curated OER

How Do You Evaluate an Exponent?

6th - 12th
Identify the base, identify the exponent, write out the base the number of times indicated by the exponent. Then multiply the base as written out in expanded form. Finally simplify your answer and you will have just evaluated an exponent.
Instructional Video4:25
Curated OER

How Do You Solve a Word Problem by Subtracting and Multiplying Polynomials?

6th - 12th
Apply the distributive property to multiply a monomial times a polynomial to get the area of a rectangle. Then use this information to solve a word problem.
Instructional Video4:24
Curated OER

How Do You Turn a Terminating Decimal Into a Fraction?

6th - 12th
The instructor demonstrates how to convert a terminating decimal to a fraction. She calculates a base 10 denominator and then reduces the fraction to simplest form.
Instructional Video1:56
Curated OER

How Do You Multiply Monomials?

6th - 12th
Use the associative property of multiplication to regroup the like terms in this polynomial multiplication expression. Then multiply the terms and make sure it is in simplest form.
Instructional Video3:44
Curated OER

How Do You Solve a Multi-Step Equation Using Reverse Order of Operations?

6th - 12th
Solve an equation that has both variables and fractions. Use the rules of equality to add, subtract, multiply, and divide to isolate the variable and find your answer. Don't forget to plug your answer into the original problem to verify.
Instructional Video1:52
Curated OER

How Do You Simplify a Fraction Over a Fraction?

6th - 12th
Complex fractions? They might start out complex, but if you watch the instructor explain how to change it to a division problem, it won't be so complex anymore.
Instructional Video6:11
Virtual Nerd

How Do You Divide Two Polynomials by Factoring and Canceling?

6th - 12th
The rational expression in this example is of a trinomial divided by a trinomial. Learn how to simplify this rational expression. The instructor demonstrates how to factor each trinomial and cancel the like terms to get it in simplest form.
Instructional Video2:18
Curated OER

How Do You Simplify a Fraction Over a Whole Number?

6th - 12th
Learn how to take a complex fraction and use the reciprocal rule of division to simplify the fraction.
Instructional Video6:12
Curated OER

How Do You Subtract Like Terms?

6th - 12th
Subtracting like terms, combining like terms, simplifying an expressions all refer to the same thing. The teacher explains two different methods of simplifying this subtraction expression.
Instructional Video2:30
Curated OER

How Do You Divide Monomials Using Quotient of Powers?

6th - 12th
Help your mathematicians learn how to find a quotient through dividing monomials. They will also learn how to use the quotient of powers rule to simplify. Note: a great video to show to your remedial Algebra learners.