Subtracting

In this video, we learn how to subtract decimals. If you can subtract using basic numbers, then you will be able to subtract decimals. First, you will line up the tens and the other units of the numbers. Once this is finished, you will start to take away the top number from th ...more

In this video, we learn how to subtract rational expressions. To start, you will need to find common denominators. To do this, factor out the denominators in the fractions on both sides of the equations. Now you need to build the lowest common denominator for these two fractio ...more

In this tutorial the instructor shows how to subtract mixed numbers with common denominators. He explains the method using an example. He does this by subtracting the whole numbers separately and also subtracts the fraction parts separately. Now he finally puts both those resu ...more

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. With this installment from Internet pedagogical sup ...more

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

So how does a card counter keep track of the cards in blackjack? While there are many different systems and variations, counting cards is usually as simple as adding and subtracting the number 1. Subtract one when a high card is dealt and add one when a low card is dealt. The ...more

First of all in the given question you have to write down the values of the total length of the line segment, PS=15. The length of the line segment, QR =3. Now you have to find the value of line segment RS. Because you know that the Q is the midpoint of the line segments PQ an ...more

This video demonstrates the quotient rule as applied to exponential expressions that appear in the form of, to use the word loosely, a fraction. The name, "quotient rule", refers to the fact that it applies to expressions which are divided by other expressions. The video begin ...more

When a number is expressed in the form of x multiplied by 10^y such that, x < 10 and y is an integer, the number is said to be in standard form. Standard form of expressing numbers finds its use in scientific and statistical fields. This video demostrates how to express, as we ...more

The video demonstrates the way of calculating the interest rates for payday loans using MS Excel. The person presenting the video has got his MS Excel sheet with all the formulas and data ready. He first starts with the nominal & effect & future value tab. He gives us an examp ...more

In this tutorial, we learn how to divide numbers with exponents. The quotient rule states that we can divide two powers with the same base by subtracting the exponents. With the same base, you can subtract the exponents to get something that would be the answer. For example, i ...more

This video shows us how to understand the basic arithmetic for doing long division. Whenever you are about to perform the division operation, the number which is to be divided is called as the dividend and the number which divides the dividend is called as divisor. So while pe ...more

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun and Mr. Excel, the 2nd installment in their joint series of digital spreadsheet magic tricks, you'll se ...more

With tips from this video, build a fort for your cat. You will want to add variation by subtracting or adding objects and boxes to the fort. Build a fort for your cat. Click through to watch this video on discovery.com

The heart needs exercise just like any other muscle. Live longer and healthier by pumping it up! You Will Need * Clothing suitable for exercise * Sneakers * A watch Step 1: Exercise regularly Perform at least 30 minutes of aerobic exercise, three to five times a week. For b ...more

The one step inequalities are one of the easiest method in mathematics that you can add or subtracting the values in an equation. Consider the equation M+7=-3(Assume M+7 as left side & -3 as right side), in this you should add -7 on both sides of the equation. In the next step ...more

In this math lesson you will learn how to graph linear inequalities. Let’s graph the following inequality: 4x + y > 4 First, attach the corresponding equation: 4x + y = 4 Then, isolate y by subtracting 4x on both sides: y = -4x + 4 The slope and y-intercept equation of a ...more

A middle school has 1200 students. Of these, 25% are in the eighth grade. Yesterday, 95% of all eighth graders were present. How many eighth-grade students were absent yesterday? Solution First, we need to find the total number of eighth grade students at this school. 25% o ...more

This video shows the method to add rational expressions with different denominators. The first step in this process involves finding the LCD. After this is done, the numerator and denominator are multiplied by a specific number so that the fractions are rewritten with common d ...more

In this video you can learn how to solve linear inequalities. Understand the basics of inequalities and linear equations. In an inequality, we say that that one number is greater than (>) another number or less than (<) another. On occasion we say that something is greater tha ...more

\When both equations in a linear system are in the form Ax + By = C, you can solve the system using elimination. How is this method different from substitution? The idea behind the elimination method is to create a new equation from a combination of the original equations in t ...more

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this pre-algebra lesson on adding negative numbers together. You'll learn the easiest way to do it, and maybe even freshen up on your subtracting skills. Don't waste your time in summer school, learn it h ...more

Multiplying polynomials is a distributive property. If you are given with two binomials and asked to multiply them, you need to apply the distributive property and multiply the terms of binomial with the terms of second binomial. To do this first take a term of first binomial ...more

Before you can effectively use exponents, it is necessary to understand the laws behind them. First, in order to multiply a number raised to an exponent, by that number raised to another exponent, just add the exponents: for example, 2^5 * 2^2 is 2^(5+2), or 2^7. In short, a^m ...more

In this video the tutor shows how to multiply fractions. She says that compared to adding or subtracting fractions, it is easy to multiply fractions. She says that to multiply fractions first we need to multiply both the numerators together to arrive at the new numerator. Simi ...more

In this tutorial, we learn how to count cards in Blackjack. The basic principle in counting cards is that high cards are better for the player and the low cards are better for the dealers. There's a high concentration of Aces and 10's which gives you a higher chance of blackja ...more

Calculate the amount of days worked on a given project within MS Excel! Do you maintain work schedules for your projects? Are you manually subtracting weekends and holidays from your project estimates? There's a better way. And this digital spreadsheet tutorial will show you h ...more

TEXT HOW-TO: User Interface design is a new field that is growing as the Internet grows. When working on GUI design, shapes are a great way to achieve a realistic look to your design. As the shapes are vector based, you enjoy the ability to resize them with minimal detail loss ...more

This video demonstrates how to make a Strawberry Smoothie. For this recipe, you will need the following ingredients: fat free yogurt, a banana, ½ of a cup of milk, 2 T. flaxseed, strawberry whey powder, and fresh strawberries. You could add oatmeal or other fruit, if you would ...more

This video explains how to solve a single variable linear equation. Keep in mind that your equation should be in the form ax + b = c. The goal is to solve for x. Isolate the variable. Begin by subtracting b from both sides of the equation. Look at your new equation. It should ...more

Everyone loves Scrabble, but not everyone knows how to play the game properly. Yes, there is a set up rules that come with each game, but who actually wants to read them? Isn't it better to learn from a more visual approach? This video will teach you the basics of gameplay. I ...more