Math Knowing Search Results

How To: Change fractions to decimals to percents

If you're looking for a quick way to refresh your memory or that of your students regarding percents, decimals and fractions then this video is a sure fire way. While it is a bit fast paced, this tutorial offers a step by step reintroduction to the math part of ourselves that we each adore. Infused with minor comedic scenes to keep the viewer interested Roadside Ron does a thorough job in teaching the most basic of math steps which opens the window for other math problems. Clear and concise t...

How To: Subtract integers

Subtracting integers is easy to do after watching this video. In this math tutorial, the narrator explains and illustrates the process of subtracting integers. He explains the rules of converting the plus and minus signs to make addition and subtraction easier to understand. Following the steps explained in this video will make these math problems a breeze.

How To: Pull the amazing math magic trick

Magic tricks are a good way to amaze your friends. This magic tutorial covers the amazing math magic trick. Pay close attention to learn the sleight of hand. Magic takes practice, don't expect to be an expert magician right off the bat. Whether you are simply interested in impressing people at a party, or you want to be a bonafide magician, this magic tutorial is a good place to start.

How To: Perform the best math card trick ever

There are good magic tricks, and there are bad magic tricks. The host of this video tutorial might not be the most skilled magician around, but he's a pretty good judge of card tricks. Check out how to perform the best math card trick ever! With just a little math and a little magic, your spectators will be astonished. See the reveal and explanation. This card counting trick will always work and it will amaze your best friends.

How To: Create elaborate drawings on a graphing calculator

Texas Instruments is one of the best known companies for creating graphing calculators. In this video tutorial you will see how to use a little known feature that lets you create pretty elaborate drawings on it. This is a great time-waster in math class! Who needs algebra or geography anyways? Art class is what you need, art class on a graphing calculator.

How To: Solve a number sequence

Check out this instructional math video that demonstrates how to solve a number sequence. These are basically a list of numbers, and there's a pattern to figuring out which number will come next. In the 15th lesson, learn how to solve SAT problems using the Official SAT Study Guide. Here are the math problems and their page numbers that this video covers:

How To: Solve ratio problems

Check out this instructional math video that demonstrates how to solve ratio problems. In the 14th lesson, learn how to solve SAT problems using the Official SAT Study Guide. Here are the math problems and their page numbers that this video covers:

How To: Solve percentage problems

Check out this instructional math lesson that demonstrates how to solve percentage problems. In the 13th lesson, learn how to solve SAT problems using the Official SAT Study Guide. Here are the math problems and their page numbers that this video covers:

How To: Find a regression line in statistics

Learn how to solve statistics problems that require you to find the regression line. Whether you need help studying for that next big stats text or just a hand finishing your homework, you're sure to be well served by this four-part free video math lesson from Salman Khan.

How To: Solve population proportion problems in statistics

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 superstar Salman Khan's series of free math tutorials, you'll learn how to solve pop. proportion problems in stats.

How To: Calculate the confidence interval for difference between means

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 superstar Salman Khan's series of free math tutorials, you'll learn how to find the CI for the difference between means.

How To: Calculate the sampling distribution of difference between means

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 superstar Salman Khan's series of free math tutorials, you'll learn how to find the sampling distribution for the difference between means.

How To: Find the variance of differences of random variables in statistics

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. For all of the details, watch this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, we learn how to calculate the variance of differences of random variables.

How To: Use one-tailed and two-tailed tests in statistics

Can't make heads or tails of one- and two-tailed tests? Never fear. This stats lesson will teach you everything you'll need to know. 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. For all of the details, watch this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials.

How To: Calculate mean and variance for a Bernoulli distribution

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 study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to calculate mean and variance for a Bernouilli distribution.

How To: Calculate mean & variance when given a Bernoulli distribution in statistics

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 study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to calculate the mean and variance of a Bernouilli distribution.

How To: Normalize a data set into another scale

Comparing evaluations of the same thing done on different scales can seem difficult, but there is a simple equation you can use to translate something expressed in one numerical scale into another. This video will show you how to use it and make your math life easier.

How To: Convert a temperature from Fahrenheit to Celsius with simple arithmetic

Looking for a thorough guide on how to convert between Fahrenheit and Celsius temperature scales? It's easy! And this clip will teach you everything you'll need to know. 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 superstar Salman Khan's series of free math tutorials...

How To: Learn to calculate percent error with this music video

Math, chemistry, physics can all be a very difficult thing to understand. But if you have the right teacher, then it can make life a bit easier. Maybe even a music video explaining it can be a bit easier. In this tutorial, if you're having a tough time with calculating the percent error, this music video may be what you need. So check it out and good luck!

How To: Quickly solve quadratic equations by factoring

See how to solve quadratic equations in algebra through factoring with this free video math lesson. Factoring quadratic expressions is easy once you know the system. Learn it with this how-to. 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 big test).

How To: Multiply fractions and mixed numbers

Need a little help figuring out how to multiply fractions and mixed numbers in basic arithmetic? Learn how 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, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Multiply mixed numbers & fractions

Looking for a guide on how to multiply mixed numbers and fractions in basic arithmetic? Learn how 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, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Find the density of an object

School yourself on density with help from this video courtesy of Kruse teacher. In this tutorial, get a quick demonstration on the subject of density, mass and volume. Also learn how to find the density of two different kinds of objects through the power of math!

How To: Work with linear, quadratic & exponential models

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 big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to work with linear, quadratic and exponential models.

How To: Find the volume of a cylinder

Need help calculating the volume of a cylinder? It's easy! So easy, in fact, that a complete and thorough overview of the process can be presented in forty-five seconds' time. Study for your next geometry test or just finish your homework with this free video math lesson, which demonstrates how to find the volume of a cylinder using v=pr^2h.

How To: Find an angle using alternate interior angles

In this video tutorial, viewers learn how to find an angle using alternate interior angles. Make sure that the angles are alternate interior angles. Alternate interior angles are angles that are on the inside of the parallel lines, and on the opposite side of the transverse. The transverse is the line that passe through the two parallel lines. If both angles are inside the line and are opposite to the transverse, then they are alternated interior angles. If you know two angles are alternate i...

How To: Add or subtract fractions with different denominators

In this tutorial, you will learn about fractions. Fractions may look scary, but they are relatively easy to handle if you take your time. In this particular video, learn how to add or subtract fractions that have different denominators. You will learn how to reduce common fractions to the lowest common demoninator in order to fit them into your equations and how to find the answer.

How To: Graph linear equations using a table

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 study for that next big test). With this free video math lesson, you'll learn how to graph a system of linear equations using a T-Chart.

How To: Use the quadratic formula on a graphing calculator

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 study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to work with the quadratic formula on your graphing calculator.

How To: Rationalize a denominator

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 study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to rationalize a denominator.

How To: Solve a complicated radical equation 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 study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to solve a complex radical equation in algebra.

How To: Perform long division

Having trouble with long division?? This educational instruction video will teach you how to correctly perform long division. The easy to follow steps will teach you the right technique and you will be able to solve those pesky long division problems in a flash. So if you want to improve your math skills or you just want to learn how to perform long division, watch this easy to follow instructional video that will teach you the simple way of tackling long division problems.

How To: Convert percents to decimals in math

There will be a time when the need to know how to convert a percent to a decimal will arise. Maybe it will be when trying to calculate a percentage discount on an item to be purchased. The item is 30% off, but what does that mean? How do you calculate the discount if the original price is $92? Learn how to easily convert percent to decimal by following these easy instructions. Percentage means "per 100." In other words, 50% means 50 per 100. The easiest way to convert percentage to decimal is...

How To: Find the volume of a cone quickly

For people who are interested in math or who need to know how to find the volume of a cone for any reason, whether it be homework or architecture, this video will show you how to do so. The formula for finding the volume of a cone is (1/3) pi x radius^2 x height. You can find the radius of your cone by finding half the length across the center of the circle which is the cone's base. After plugging in all the values into this equation, you will be able to find the volume of any cone when given...

How To: Find the area of a kite

Math isn't all about finding the area of drawings.. you can apply those same concepts to finding the area of actual objects. In this video tutorial, learn how to find the area of a kite in a video made for students, by students. If you are familiar with geometry and finding area, you will most likely be able to master this concept quickly.

How To: Use basic math operators when programming in Java

Want to program your own Java games and applications but don't know beans about object-oriented programming? Never you fear. This free video tutorial from TheNewBoston will have you coding your own Java apps in no time flat. Specifically, this lesson discusses how to use simple arithmetical operators when writing code in the Java programming language. For more information, including detailed, step-by-step instructions, watch this helpful programmer's guide.