Instructional Video5:44
Curated OER

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...
Instructional Video1:58
Curated OER

How Do You Find the Greatest Common Factor of Three Numbers?

For Teachers 6th - 8th
Use prime factorization to find the greatest common factor of three given values. What are the factors that all three given numbers have in common? Identify them, and then multiply together to get the greatest common factor. Just like...
Instructional Video3:52
Curated OER

How Do You Find the Greatest Common Factor of Monomials?

For Teachers 7th - 9th
Use prime factorization to find the greatest common factor of four given values. What are the factors that all four given values have in common? Identify them, and then multiply together to get the greatest common factor. Just like that....
Instructional Video3:13
Khan Academy

Finding the Greatest Common Factor of Two Monomials, Algebra I

For Students 9th - 11th
Sal explains that the most significant common factor of any number is the largest number divisible into both monomials and not necessarily the number with the most significant value. He breaks down two numbers into their prime factors as...
Instructional Video5:02
Khan Academy

Example 1: Factoring Trinomials with a Common Factor, Algebra II

For Students 9th - 11th
Use division and factoring to determine the leading one coefficient. This presentation thoroughly explains how to factor a trinomial to determine its common factors.
Instructional Video2:55
Brightstorm

Greatest Common Factors - Concept

For Students 8th - 10th Standards
Introduce your class to the greatest factor on earth. The group of videos introduces factoring polynomials by finding the greatest common factor (GCF). They connect finding the GCF of the terms in a polynomial to finding the...
Instructional Video7:32
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Krista King Math

Greatest Common Factor, Monomials

For Students 9th - 12th Standards
Model how to find the greatest common factor of monomial expressions with a video that works through three examples. The first is a constant, the second a single variable expression, and the third is a multivariable example.
Instructional Video5:55
Curated OER

How Do You Find the Greatest Common Factor of Two Numbers by Listing Their Factors?

For Teachers 5th - 8th
Greatest common factor, least common multiple, prime factorization, multiples, factors, oh my! The instructor in this video shows how to make different lists of factors to find the greatest common factor. So take a peak and see how to...
Instructional Video3:03
Curated OER

How Do You Find the Greatest Common Factor If There are No Common Factors?

For Teachers 6th - 9th
Use prime factorization to find the greatest common factor of three given values. Okay. But what if there doesn't seem to be any integer that is common in all three given values? Well, then, the greatest common factor must be 1. Not sure...
Instructional Video4:57
Curated OER

How Do You Factor a Greatest Common Factor Out of an Expression?

For Teachers 6th - 9th
What is the greatest common factor of two terms in an expression? First prime factor each of the terms. Then find the factors that they have in common. Multiply if needed. That is how to find the greatest common factor. Watch the video...
Instructional Video10:27
Krista King Math

Greatest Common Factor, Polynomials

For Students 9th - 12th Standards
Examine the process of factoring a greatest common factor from a multivariable polynomial. Here, a video tutorial shows four examples, each increasing in difficulty. The final example has coefficients and several variables.
Instructional Video4:08
Curated OER

How Do You Factor a Common Factor Out Of a Difference of Squares?

For Teachers 8th - 9th
How do you know that a binomial can be factored using the difference of squares? First try finding the greatest common factor and pulling that out. Then take a look at what is left. Are the coefficients perfect squares? Then it could be...
Instructional Video6:03
Math Playground

How Do You Find GCF and LCM?

For Teachers 4th - 5th Standards
Using the numbers 225 and 270, the narrator explains how to find the greatest common factor and the least common multiple. This presentation could be used in conjunction with other videos in a series exploring how to identify prime...
Instructional Video2:24
Curated OER

How Do You Divide Monomials Using the Greatest Common Factor?

For Teachers 8th - 9th
Factor out the greatest common factor to simplify a rational expression. When the greatest common factor is divided out of the numerator and the denominator what is left is the rational expression in simplest form. Watch as the teacher...
Instructional Video4:19
Curated OER

How Do You Factor the Greatest Common Factor out of a Polynomial?

For Teachers 7th - 9th
There are four terms in this polynomial. Find the greatest common factor. Remember to prime factor the number values to help find the GFC. Then rewrite the polynomial in simplest form. Not sure about this skill, then watch the instructor...
Instructional Video5:17
Krista King Math

Greatest Common Factor, Trinomials

For Students 9th - 12th Standards
Teach how to factor trinomials using quadratic methods with this tutorial video. Each example begins by factoring a greatest common factor, resulting in a quadratic factor. The instructor then shows how to factor the quadratic factor.
Instructional Video5:17
Curated OER

How Do You Find All the Factors of a Number?

For Teachers 6th - 12th
How do you find the factors of a given number? The teacher will show you how to use a table, test out your answers, and then write all your factors in a list. If you know the divisibility rules, that will also help you out.
Instructional Video5:52
Curated OER

How Do You Solve a Polynomial Equation With Two Variables?

For Teachers 8th - 9th
Sometimes you'll need to solve an equation with multiple variables on each side. This step-by-step tutorial will show you how to set your equation to 0, factor out the GCF, simplify, write your answers as a set, then plug and chug to...
Instructional Video3:45
Curated OER

How Do You Factor a Polynomial by Grouping?

For Teachers 8th - 10th
There are four terms in this polynomial. Try to factor it by grouping the terms. Confused? Try to get four terms into the product of two binomials? Still confused? Watch the instructor as she goes through the steps to group and regroup...
Instructional Video3:05
Corbett Maths

Factors

For Students 6th - 12th Standards
Factor in some time to learn about factors. Learners watch an educational video to understand how to find all of the factors of a given number. They follow along as the narrator works through two such examples by considering the...
Instructional Video4:18
Curated OER

How Do You Find the Least Common Multiple by Multiplying Common Factors?

For Teachers 8th - 11th
Don't get Least Common Multiple mixed up with Greatest Common Factor, it's easy to do. Use the prime factor tree to find the prime factorization of each of the terms given. This is where it gets tricky figuring out the LCM, so watch this...
Instructional Video2:49
Curated OER

How Do You Multiply Quotients of Monomials?

For Teachers 8th - 9th
Multiply two monomial rational expressions and then rewrite the solution in simplest form. Multiplying seems straightforward, but what about the reducing part? Find the greatest common factor. Then divide the numerator by the GCF, and...
Instructional Video7:26
Curated OER

How Do You Simplify an Algebraic Fraction by Canceling Common Factors?

For Teachers 8th - 9th
Use prime factorization to simplify this algebraic fraction. When the factorization is done then cancel out all values in which a value from the numerator and a value from the denominator equal 1. And what is left over is then the...
Instructional Video4:42
Curated OER

How Do You Find All the Factors of a Number?

For Teachers 4th - 7th
How do you find the factors of a given number? The teacher will show you how to use a table, test out your answers, and then write all your factors in a list. If you know the divisibility rules, that will also help you out.