How to Multiply and Divide

How To : Multiply and divide monomials in algebra

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next ...more

How To : Multiply and divide fractions in algebra

This video demonstrates how to multiply and divide fractions in algebra. From the people who brought you the Dummies instructional book series, brings you the same non-intimidating guides in video form. Watch this video tutorial to learn how to multiply and divide fractions in ...more

How To : Multiply and divide negative numbers in arithmetic

Need to know how to multiply and divide negative numbers in basic math? From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow ...more

How To : Multiply or divide rational expressions

318770 Multiply or divide rational expressions. Here Ms Robichaudd guides you nicely that how to multiply or divide rational expressions. She starts with divide and simplify. In first step she shows you how she multiplied and flip. And then to simplify it more she took out the ...more

How To : Multiply and divide three rational expressions

In this video, the instructor shows how to multiply and divide rational expressions. To solve a rational expression that contains many terms, solve step by step by following the order of operations. Order of operations advises one to work the parenthesis part first; so solve t ...more

How To : Multiply and divide fractions with Mr Binkley

In this tutorial the author Binkley shows how to multiply and divide fractions. He says that the first thing to remember before multiplying and dividing fractions is to first check if all the numbers are in the fraction form. Now in the second step if its multiplication we can ...more

How To : Multiply and divide radicals

Radicals or square roots can be a little tricky when it comes to multiplying and dividing them, but this helpful video will guide you through all the steps you need in order to calculate your answers correctly. Grab a pen and paper and work along with the video. Remember, you ...more

How To : Multiply and divide fractions

Fractions are vital to mathematics and essential in everyday life. As such, it's good to know how to multiply and divide them. This video demonstrates the process. For detailed, step-by-step look at multiplying and dividing fractions, watch this mathematics how-to.

How To : Multiply and Divide Fractions

In this how to you will be learning about fractions. I will show you how to multiply and divide them. Here is a problem with a description. For dividing fractions you will have to use reciprocals.

How To : Multiply and divide to solve equations

This video teaches students how to multiply and divide to solve equations in algebra. The teacher made this video specifically for his class because he points out page numbers from the textbooks that the students can go back and review. He is standing in front of a dry-erase b ...more

How To : Multiply and divide fractions in math

One can learn, from watching this video, how to multiply and divide fractions. Prof. Alexander gives a discourse on multiplication and division of fractions in a simple, easy way. For multiplication, one should first look for highest common factor in the numerator of one fract ...more

How To : Multiply and divide fractions with speed

Are you slow in multiplying and dividing your fractions? Let Mr. Rider from Speed Math 101 walk you through an easy to follow marker board math lesson that will have you managing those numerators and denominators like a pro. With a simple and easy to remember process, Mr. Ride ...more

How To : Multiply, divide and simplify rational expressions

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next ...more

How To : Multiply & divide fractions using Excel key points

To multiply and divide the two fractions is a single step problems. Just multiply both the numerators and denominator for obtaining multiplication of two fractions, and for the division just multiply numerator of first fraction with denominator of second fraction and keep it i ...more

How To : Multiply & Divide Numbers (Basic Elementary Math)

Adding and subtracting may be the easiest of mathematical operations, but once you get it down, multiplication and division can be just as easy. That's why it's called elementary arithmetic. If it were harder, it would be called college algebra or trigonometry. But it's not— i ...more

How To : Divide & multiply fractions with numerous examples

In this video, we learn how to divide & multiply fractions with numerous examples. If you have a normal fraction, you will just multiply across the equation to multiply it. To divide the fraction, you will multiply it by the flip of the fraction. Once you do this, you will hav ...more

How To : Multiply & divide fractions & mixed numbers

In this tutorial, we learn how to multiply & divide fractions & mixed numbers. When multiplying and dividing fractions you don't need a common number, you just multiply straight across. When dividing, you simply flip the second fraction over and multiply straight across like n ...more

How To : Divide fractions by multiplying by the reciprocal

Having a hard time with dividing fractions? Learn the simple steps it takes to complete these division problems. With this instructional educational video you learn the golden rule, "NEVER DIVIDE FRACTIONS" Instead you multiply by the reciprocal which is the flipped version of ...more

How To : Solve inequalities by multiplying or dividing

In this tutorial, we learn how to solve inequalities by multiplying or dividing. Start out with your equation written out in front of you. Now, find the variable in the equation and figure out how to get rid of the denominator underneath it. Divide this on both sides, then you ...more

How To : Divide fractions in two easy steps

Want to finally get on top of those icky fraction questions? Learn how to multiply and divide fractions the easy way. In this particular video, you will receive some very useful tips on how to solve most types of fractions. It will teach you exactly how to multiply and divide ...more

How To : Solve inequalities with fractions in algebra

Solving math inequalities with fractions is easy when applying the rules presented in this video. • When you add or subtract the same number from each side of an inequality, the relationship between the two sides does not change. • When you multiply or divide each side of an ...more

How To : Use simple formulas to do math in Excel 2007

Take a look at this instructional video and learn how to use simple formulas in Microsoft Office Excel 2007 to add, subtract, multiply, and divide. For example, you can use a prewritten formula called the SUM function to find totals, such as your total monthly expenses. Excel ...more

How To : Multiply integers together

In this video the instructor shows how to multiply and divide integers. When multiplying or dividing two numbers if the signs of the two numbers are same then the sign of the result is a positive number. When multiplying or dividing two numbers if the signs of the two numbers ...more

How To : Work with decimal numbers in prealgebra

You can do simple decimal calculation with out using a calculator once you understand the basic concept of decimals. In decimal equations when you have various operations between decimal numbers, you have to go by the order of operations in simplifying it. The order of operati ...more

How To : Solve math proportion problems

Look for a vertical or horizontal relationship in the given equation. In the horizontal or vertical side of the equation where both numerator and denominators are given, look for a multiplier to the smaller number so that the product is equal to the bigger number. Use this mul ...more

How To : Rationalize a denominator

This is an illustrative video on how to rationalize a denominator. Let us take an example of 1 over root 2. If we have to rationalize this denominator, we need to multiply it and divide it by root 2. You will get root 2 over 2. Similarly if you want to rationalize 4 root 6 ove ...more

How To : Multiple and divide rational expressions

This video walks you through the steps of multiply and divide rational expressions. This excellent video shows you a clean board, with the instructors voice showing exactly what to do. Don't fret, any question you may have, will be answered. Watching this video will make you f ...more

How To : Solve word problems with proportions

In this video the instructor shows how to use proportions to solve fractions. When you have a proportions problem with an unknown term, cross multiply and divide it to get the value of that unknown term. For example if given 7/8 = m/4, cross multiply 7/8 with 4, giving 7/2 whi ...more

How To : Simplify rational expressions in algebra

Mathematical expressions containing binomials create double the pleasure for math geeks because they get twice as much expressions to solve. Ensure your mathematical journey never ends by watching this video on how to multiply and divide rational expressions. A series that's ...more

How To : Simplify an exponential expression in algebra

In this Education video tutorial you will learn how to simplify an exponential expression in algebra. There are neither audio nor typed instructions in this video. It is a demonstration of the steps involved in the process. To do this, simply expand the exponentials and then m ...more

Hack Like a Pro : The Basics of the Hexadecimal System

Welcome back, my novice hackers! It has become clear from some of your questions that quite a few of you are unfamiliar with the hexadecimal system, or simply, hex. The hexadecimal system is used throughout computing and if you have never studied this Base16 numering system, ...more

How To : Use proportions to solve application problems

In this video they are showing how to use proportions to solve word problems. In the first example they used 2/3 is equal to x/6. To solve for x, you begin by cross multiplying setting up and equation 3x=12. Next, divide 12 by 3 which equals 4. So x equals 4. In the next examp ...more

How To : Solve simple linear equations in algebra

Solving linear equations in algebra is done with multiplication, division, or reciprocals. Using reciprocals, or multiplicative inverse, as well as multiplying and dividing with certain formulas, you can solve linear equation word problems. Could you use a little help figuring ...more

How To : Divide complex numbers in algebra

This series on complex numbers will help you solve equations with the cute variable "i" with ease by multiplying by the conjugate. These equations are harder to do than normal linear equations, but they'll provide a nice brain challenge for you to furbish your math skills for ...more

How To : Calculate percentage

Not sure exactly how to calculate a twenty percent tip for your waitress? Or how about how to figure out how much less your cost will be with that thirty percent off tag? Use these steps to calculate percentage, without a calculator. You Will Need: • A pen or pencil • Paper ...more

How To : Convert American pounds to kilograms

In this video it is demonstrated that how to convert American pound into kilograms. First of all we will see the equation for converting weight from American pound to kilograms is American pound divided by 2.2. When pound is divided by 2.2 it will give kilogram weight, for exa ...more

How To : Remember how to divide fractions with a song

In this video tutorial the author shows how to divide fractions by singing the songs "I Can Divide". He sings a wonderful and funny song about how he is petrified about fractions and in the song somewhere he says that to divide just invert and multiply. He says that division o ...more

How To : Use FOIL to distribute two binomials in algebra

Learn how to use the FOIL method to distribute two binomial expressions in algebra. The FOIL method — which stands for first, outer, inner, and last — takes two binomials and multiplies them for a single quadratic equation. Solving for binomials with FOIL takes just a few step ...more

How To : Use cross products to solve proportions

To solve a proportion for a variable you should employ cross multiplication. The basis of cross multiplication is the property which states that the product of the numerator of one fraction and the denominator of what it is set equal to is equal to the product of the remaining ...more

How To : Calculate the Cost of Driving

With gas prices soaring in the US and around the globe, the cost to drive to a vacation destination is becoming a much larger expense item in the overall travel budget. Although it's easy to see that gas prices have risen dramatically in the past several months, it's not nearl ...more

How To : Do algebraic long division

In this video, you can learn how to do algebraic long division. Take an easy example, such as 88 divided by 4. You are actually dividing 4 into 88. You take the 4 and divide it into the 80, and your answer is 20. Multiply (20 x 4) and you get 80, then subtract the 80 from 88 a ...more

How To : Divide fractions in math

When you see a problem involving a fraction, don't freak out. Dividing fractions is actually fairly easy once you learn the simple formula of how to do it. Math can be scary, but don't give up. Follow these simple steps, and soon you'll be dividing fractions like a pro. Step ...more

How To : Do long division with decimals

Video Nerd thinks that when your doing long division with decimals you should first take out the decimal. Write the number as if it didn't have a decimal. For example if the problem was 12.5 divided by 5 then you will just use 125 and divide that by 5. Next divide the first di ...more

How To : Divide mixed numbers

In order to divide mixed numbers, you should change the mixed numbers into improper fractions. With the problem 5 ¼ divided by 2 3/8, you should convert both mixed fractions to improper fractions. 5 ¼ becomes 21/4, when you multiply 4 times 5 and add one. 2 3/8 becomes 19/8, ...more

How To : Multiply two mixed numbers

Step 1: Convert the mixed numbers to improper fractions. ex: convert 1 1/2 * 2 1/3 to 3/2 * 7/3 Step 2: Multiply the fractions. So we will multiply 3/2 * 7 /3 =21/ 6 Step 3: Reduce Reduce the number 21/6. For this we divide 21 by 6. It will not be divided completely; rema ...more

How To : Divide decimals

Here we are, learning how to divide decimals. So we are dividing a whole number or a fraction by a fraction. How this presenter does this is by moving the decimal two places to the right on both the top and bottom of the sum. In other words, he multiplies the two numbers by 10 ...more

How To : Divide fractions by "flipping & dipping"

The instructor in this video gives a tutorial on how to divide fractions by "flipping & dipping" method. He says that to divide two fractions we need to follow two steps of flipping and dipping. He says to write the first fraction as it self and flip the second fraction and wr ...more

How To : Understand why you cannot divide by zero

This video discusses the number zero in division. When dividing numbers, there are ways to check your math, like multiplying the two numbers. When you multiply zero with any other number, it still is zero. The video goes on to discuss indeterminate answers. If you were to divi ...more

How To : Divide rational expressions

In this video the instructor shows how to divide rational expressions. To divide rational expressions follow this simple four step approach. In the fist step change the division to multiplication by flipping the second fraction. Now the original division simplifies to multipli ...more

How To : Divide two fractions

The video teaches the viewer to divide one fraction by another. The process involves taking the reciprocal of the second fraction (flipping it upside down); so if you want to divide 7/3 by 1/2, you flip 1/2: it becomes 2/1. Then it is a multiplication problem: 7/3 x 2/1. The w ...more

How To : Find the percentage of a number

In this tutorial the author explains of how to compute percentages of a given number. He explains that x percent of some number y is x multiplied by y and divided by 100. He says that of means multiply and percentage means for hundred. He goes on and explains this concept with ...more

How To : Divide fractions using the inverse

Learn to divide fractions using the inverse with this video. It is an easy way to divide the fractions just by multiplying the two fractions but reversing one of them. For example consider two fractions to be divided, (1/4) and (3/5). Then write the two fractions beside, one i ...more

How To : Figure out a golf handicap

So, you've started playing golf, and you've started getting competitive... Figure out a golf handicap with help from this free video from expert golf site, Golf Link. A golfer's handicap is determined by two factors, which are the course rating and the slope of the golf course ...more

How To : Write equations in pre-Algebra

This is a video tutorial in the Education category where you are going to learn how to write equations in pre-Algebra. Write an equation that represents the following sentence and then solve the equation. The product of n and 6 is 12. That's n multiplied by 6 or 6n = 12. We wa ...more

How To : Multiply fractions easily

In this tutorial, we learn how to multiply fractions easily. First, you will need to know where the numerator and denominator are in the equation. Numerator is on top and Denominator is on the bottom. When you multiply fractions, you multiply the top and then the bottom of the ...more

How To : Divide mixed numbers in mathematics

Looking for a primer on how to divide mixed numbers in basic arithmetic? See how it's done with this free video math lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, th ...more

How To : Divide exponents with the quotient rule

Exponent of a number is nothing but the number multiplied to it self the exponent number of times. So five squared it equal to five multiplied to it self. Now when an exponential number is divided with another such number the result is the number raised to the different of the ...more

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