Adding and Subtracting

Looking to find the standard deviation of your set of values? Standard deviation quantifies how diverse the values of your data set are, and is useful in determining how different your numbers are from each other. You Will Need: • Data • A calculator Step 1: Collect your d ...more

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

In this video, we learn how to increase or decrease by a percentage. First, to increase you will need to find what the percent of the number is. To do this, you will find 10%, which should be very easy. As soon as you've found this, you can add or subtract to find the percent ...more

In this tutorial, we learn how to read your friend's minds with the book test. First, sit by two friends and have three books with you. Have them pick a book, then write a 3 digit number on a card, then have the other person flip the numbers and subtract them. Now have the oth ...more

This video is about changing fractions to decimals. The teacher uses 1/2 and 1/3 as his examples. The first one, changing 1/2 to a decimal. First step is to divide your denominator into your numerator. So, you divide 2 into 1 and add the decimal to your 1 because 2 does not g ...more

Can't remember how to convert Celsuis temperatures to Farenheit? If your old science lessons are escaping you, then your answer is here. Use the simple formula outlined in the steps in this video to make the proper conversion every time. Step 1: Multiply by 2 Multiply the tem ...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

In order to solve a quadratic equation by completing the square, take a quadratic equation and make sure that the coefficient of the first squared term in one. If it is not factor it by pulling the term out to get it to one. Now just write down the first two terms in side a br ...more

Egg Bram teaches you how to create a cut text effect in Xara Extreme. Create a simple colored rectangle and add some text on top. Then select these two objects and go to Arrange - Combine Shapes - Subtract Shapes. Now the two objects have combined into one. Although the text a ...more

By utilizing the click and drag features of Xara Xtreme, users can take shapes and duplicate them for quick work (ctrl K). Further by identifying them by colors and other subsets, users can add or delete with just a button push, or (use the add shapes, subtract shapes options. ...more

In this video, Gary from MacMost demonstrates how to select items on a Mac computer. He explains that there are different ways of selecting items, both with the mouse and with the keyboard. Click to select a single item, and click an empty space to clear the selection. Hold Co ...more

Working with integers is the basis of all mathematics. Subtracting is naturally a little more complicated than adding. If you are having trouble with subtraction, check out this video. This tutorial illustrates how to subtract integers, as used in high school math courses.

Give a vintage look to your footage similar to that obtained from LOMO Cameras. Originally LOMO cameras are still cameras that are used for causal cheap photography. But the photographs obtained from such cameras have a unique look to it. In this tutorial you will learn to dig ...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

This video is about subtracting mixed numbers and renaming. 1. Start on the right side of the problem. 2. Find the LCD (least common denominator) for the fraction. 3. Create an equivalent fraction. 4. Bring whole numbers over to the equivalent fraction. 5. With the new eq ...more

This cool trick involves a little math, but you won't believe the results! Sometimes we use materials that require adult supervision... like scissors, so make sure you have friends and family around whenever you do magic tricks. You will need two sheets of paper and a black ma ...more

In this video, we learn how to divide bigger numbers. As an example, let's say you were dividing 843 by 13. To make this easier, write down the times tables for 13 down and keep adding up. After you do this, see how many times 13 goes into 84. Your table will tell you how many ...more

In this tutorial the instructor shows how to convert a improper fraction to mixed number. In the example the instructor takes the denominator of the mixed fraction and writes it beside and keeps adding it self to the latest number and he keeps on doing that way generating a se ...more

Take a look at this instructional video and learn how to use the select tool in Google SketchUp. Making good selections in SketchUp is crucial in properly using the other tools available in this 3 Dimensional modeling program. This tutorial covers the basic selections, window ...more

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

There are many ways to add or subtract saturation from images using Adobe Photoshop. This tutorial takes a look at how the Sponge Tool works, and how to get the best results when using it.

In this tutorial, we learn how to find the interior and exterior angles of a triangle. I triangle has three angles and their measurement when added together will equal 180. For example, if one angle is 80 and another is 30, then start off saying the equation equals 180. Write ...more

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

To find out the density of any given object there is a simple equation, mass divided by the volume equals the density. In this video a lady is showing how to get the volume of three objects using water. First the objects are measured on a scale to find out how much they weigh, ...more

Your first step is to bring your decimal point up to the top of the equation. The you divide the whole number into the decimal number. In this instance, 5 into 1.25. 5 goes into 1 0 times, so you put the zero in the first space. 5 goes into 12 twice, so you place a 2 up top, a ...more

Algebra – The Distance Formula. This video describes how to find the distance between 2 points of a graph in a step by step method. Made by Ya Math, the instructor assists the class in finding the distance between (6,8) and (3,4) by showing us the equation d=v((x_1-x_2 )^2+(y_ ...more

In this tutorial the instructor shows how to complete the square to graph a quadratic function using transformations. You can do this by transforming your equation in a series of steps. First make the coefficient of the square term to one by pulling out its numerical coefficie ...more

A simple video showing how to subtract fractions with common denominators. The denominators is the bottom number of a fraction and the numerator is the top number. So in the fraction of one half 1 is the numerator and 2 is the denominator. If you have fractions with same denom ...more

For more advanced math, you will need to use the difference of squares in order to factor certain polynomials. This video offers the basic technique for this factoring method as well as a few examples to get you started. In order for this factoring technique to work, you will ...more

Are math problems getting you down? Well this should be of some help. Here is how to find a missing angle inside of a triangle. Now the first thing to remember when solving this type of question is that the sum of all the three angles inside a triangle is equal to 180 degrees. ...more

Fractions are confusing, aren't they? They're numbers, but they're not really numbers and they're also pieces of numbers..fractions are a lot of things. When you begin working with fractions, you will need to know how to add and subtract them. In this tutorial, math teacher Mr ...more

For people who are learning basic math skills, this video will show you how to subtract larger numbers which involve borrowing. If the top number on your rightmost digit is smaller than the number before it, you will need to borrow from the column before it. To do this, you wi ...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 order to subtract fractions from whole numbers you have to perform a few steps. First we have to borrow one from the whole number. So if you are subtracting 1/16 from 3, 3 becomes 2. Then you have to change the one you borrowed, so the 1 becomes 16 over 16 or 16/16 to match ...more

For anyone who has ever struggled with long division, this video offers some tips on how to perform this seemingly daunting task with relative ease. The example provided in this video is a very useful one and by following the steps of this video, you will be able to do long di ...more

The step by step methods to isolate colors in Photoshop have been shown in the video. In a layer we have to place an image and first select the particular part to be isolated with the pen tool which has free form pen tool, add subtract, intersect and exclude overlapping path o ...more

In this motorcycle tutorial you will learn how to calculate the manual valve shim size. Both exhausts have the same spec and both the intakes have the same spec so the video only shows one side being done. The shims aren't made in 251, 252, 253, 254. It's either 250 or 255. Th ...more

Using LightWave 9 Modeler, Speed Boolean options allows you to quickly boolean objects in a single layer. You start by selecting the object you want to do the Boolean work, select Speed Boolean (where you choose from the normal list of add, subtract, intersect, or union) and t ...more

Pythagoras was a smart man, so smart that his mathematical theory is named after him and still used today, more than 2,000 years later: the Pythagorean theorem. It implies that the square of the hypotenuse of a right triangle is equal to the sum of the squares of the other two ...more

This video is about Level 2 atomic concepts, specifically the Pennium Lab. This helps you understand how atomic masses are derived for the periodic table. This teacher demonstrates how to do the calculation. He first reviews the Isotopes as they are different masses of the sam ...more

The video shows how to solved mixed property problems using the exponent rules. See if there are any rules you can apply to the problem until you get to a point where you can't simplify anymore. The instructor shows in the example problem that the two bases are the same, but t ...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

This video teaches you to subtract mixed numbers with borrowing. Consider 2 mixed numbers. For example 8 and 2/7 and the other 5 and 4/5.You have to subtract 5 and 4/5 from 8 and 2/7. First you have to convert the fractions to their common denominator. To equate the denominato ...more

In this math lesson you will learn how to solve a system of equations. Watch the following video to learn how to translate a word problem into a system of linear equations. Two linear equations considered in the same time form a system of linear equations. A system of linear ...more

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

Hanging a door evenly isn't easy, and if you screw it up, you'll probably have to start over with a brand new door. Master this skill, however, and save a bundle in installation fees. You Will Need * A circular saw * A sanding block * Varnish * A combination square or ruler ...more

Have some time to kill between classes? Entertain your friends, or make new ones with this number prediction trick. Just make sure you have a calculator on hand and you’re ready to bring joy and amazement to the table. Your friends will think you can read minds when you use o ...more

Wearing the correct size bra is the fasts way to improve your look. The correct size bra will make you look longer, leaner and younger, plus, it will help your clothes to hang better. If you can’t remember the last time you had a bra fitting then it’s time to bust out the meas ...more