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Math

Join our Math World now to meet up with other math students and mathematicians on the Web. Learn how to perform basic math functions, and share your own tips and tricks for solving problems and calculating answers for everything math related, from algebra to geometry to trigonometry to advanced calculus.
Recurring decimals converted to fractions, showing 0.4̅ = 4/9.
Apr 29, 2010

In order to pass that big Algebra test you will need to know how to get a fraction from a number with a recurring decimal. If you are looking for a shortcut, look no further than this tutorial. In t ...

Slope-intercept equations with graph illustration.
Apr 29, 2010

Are you "just not a math person"? Hogwash. Everyone seems to think that at one point in their life. With a little practice and study, math will become more and more easy to understand. Start your jour ...

A teacher explaining a mathematical concept on a whiteboard.
Apr 29, 2010

Given a point through which a line passes and the value of its slope you can graph the line. To do this first plot the given line. Now taking the slope and using the rise over run method plot a second ...

Mathematical addition of fractions with exemplified calculation steps.
Apr 29, 2010

Watch this video to learn how to add fractions with different denominators. Use the least common denominator method to add the different fractions together. After watching this 2 part video, you'll be ...

Graph of linear equations with handwritten work and annotations.
Apr 29, 2010

This video shows the method to solve a pair of linear equations by plotting their graph. Look for points of intersection of the two graphs which is the solution. Let us solve 5x-y=6 and 2x+y=8. Writin ...

Teacher solving a math problem on a whiteboard.
Apr 29, 2010

In this how to video, you will learn how to find the volume of a sphere and surface area. Let's say you need to find the volume of a sphere with a surface area of 200 cm cubed. You will need to know ...

7-day weather forecast with temperatures ranging from 53 to 61 degrees.
Apr 29, 2010

This is a how-to-video which demonstrates techniques to find the median of number in a series. This demonstration takes the following example. Example: 7 day forecast SAT – 58, SUN – 61, MON – ...

Fractions and visual representation of quantities in mathematics.
Apr 28, 2010

When you start out using fractions, one of the first things you will learn is how to add and subtract them. In this tutorial, made specifically for beginners, you will learn the basics of adding frac ...

Teacher explaining a math problem at a whiteboard.
Apr 28, 2010

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 fract ...

Calculation of earthquake probability on a whiteboard.
Apr 28, 2010

Calculating probablities can be used to help us make decision. PatrickJMT explains how to calculate probability in an "either A or not A" scenario. The probability of A plus the probability of not A i ...