How to Borrow Number When Subtracting

How To : Convert Celsius to Fahrenheit

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

How To : Do long division problems

In this tutorial the instructor shows how to perform a long division through an example. He gives a simple method where takes the first left most number, with minimum possible digits that can be divided by the divisor, and tries to divide it by the divisor and this gives the q ...more

How To : Solve logarithmic equations

In this video the instructor shows how to solve logarithmic equations. To solve a logarithmic equation, the first thing you have to do is try to get one logarithmic term if possible. To subtract two logarithmic terms use the formula Log (a) – Log (b) = Log (a/b). Now to get ri ...more

How To : Do long division quickly

In this `Math Made Easy' tutorial the instructor shows how to perform Long Division. He gives a simple four step approach where in the first step he shows to divide the first left most number by the divisor and this gives the quotient. Now he shows to multiply the quotient wit ...more

How To : Subtract fractions with common demoninators

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

How To : Use the Difference of Squares factoring method

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

How To : Convert improper fractions to mixed numbers

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

How To : Do long division

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

How To : Use the Pythagorean theorem

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

How To : Calculate weighted atomic mass

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

How To : Find the slope of a line

Learn how to find the slope of a line in this math tutorial. Whether you're doing your math homework or trying to figure out how steep a mountain is, the slope of a line is simple to calculate and has many practical uses. You Will Need: • Graph paper • Pencil • Basic math ski ...more

How To : Recognize the signs of compulsive gambling

Compulsive gambling is a recognized addiction, just like alcoholism or chemical dependency. Follow these steps to see if you might fit the profile. Recognize the signs of compulsive gambling with this guide from Howcast. You Will Need * A willingness to evaluate yourself * Ho ...more

How To : Perform Mathemagic magic tricks with math

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

How To : Solve a system of equations in algebra

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

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 : Add and subtract integers in algebra

When adding and subtracting integers, follow these math rules: Adding Integers (+) + (+) = positive (add the absolute values) (-) + (-) = negative (add the absolute values) (+) + (-) = ? (subtract the absolute values) (-) + (+) = ? (subtract the absolute values) Note: (+) me ...more

How To : Fake Telepathy or ESP at the Bar with Scam School

In a double-stuffed episode of Scam School, you'll learn how to fake ESP powers — a diabolical method to fake telepathy between you and a friend — and see a mind control trick from outer space with Scam School's first intergalactic student! The Setup To prove that you and yo ...more

How To : Subtract fractions with unlike denominators

In order to subtract mixed fractions, you'll need to look at the denominators carefully. If the denominators do not match, you'll need to find a common denominator. For example, 5 2/3 minus 3 4/5 do not have the same denominator. The lowest common denominator for them is 15. ...more

How To : Find density using the water displacement method

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

How To : Solve for X in algebra

This video demonstrates how to solve for X in algebra. The equation taken for this is 2X+4=10.The first thing you have to do to solve this equation is to get X by itself on one side of the equation. In order to do that you take the number that does not have X with it and do th ...more

How To : Add or subtract fractions with math

Learn how to add or subtract fractions with math in simple steps. First convert any story line you have into a fraction. Now you have to convert the denominators so that both the fractions have the same. To do so multiply both the numerators and denominators with the same numb ...more

How To : Graph the greatest Integer or floor function

The video shows the explanation of greatest integer function. This video explains this with the help of graphs. The video first describes the basic greatest integer function. This means the greatest integer less than or equal to the number gave. The graph of this function is d ...more

How To : Find a missing angle outside of a triangle

For people who are having problems with certain parts of geometry, this video will offer you advice on how to find a missing angle on the outside of a triangle when you are provided with the measurements of the other two angles in the triangle. Since the sum of the angles in a ...more

How To : Play Scrabble

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

How To : Do the calculator prediction trick

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

How To : Calculate a handicap in golf

This video presentation details the process of calculating a handicap in golf, in this presentation the handicap will be calculated on the USGA handicap system which is the official handicap system to be used in the United States. On each score card, there is a designation for ...more

How To : Play KenKen

It’s a game, it involves numbers, it’s fun, it’s KenKen! Understanding the goals and rules of this fun, numbers puzzle will give you the skills you need to win. Have fun working your brain and passing the time with KenKen. KenKen can be a great way to challenge your puzzle-so ...more

How To : Measure your bra size at home

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

How To : Fill in a scorecard for golf

This video shows the viewer how to fill in a standard golf score card. The video shows a man filling in a score card with fictitious scores to demonstrate how a card should be filled in correctly. The video also shows how to incorporate a player’s handicap into a scorecard. Fi ...more

How To : Solve Equations with Fractions

Solving Equations with Fractions Using Addition In our first example, our equation is b - 11/10 = -13/5 We need to find out what the variable, 'b', is. A variable is a symbol that stands for an unknown number. To do so, we have to isolate the variable, meaning that we have t ...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 : Pythagorean Theorem

What Is Pythagorean Theorem? Pythagorean Theorem is an equation discovered by a man named Pythagoras. It can be used to determine whether or not a triangle is a right triangle and find missing lengths of a triangle. The equation is: Parts of a Triangle The hypotenuse is the ...more

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