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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. - Ask questions in the [/forum/ Forum]. - Share some [/inspiration/ Inspiration]. - Post a [/how-to/ How-To] article. Looking for another interesting topic? Check out all of the other [http://www.wonderhowto.com/worlds/ Worlds] on WonderHowTo! [http://flic.kr/p/5w4B85 header credit]
Teacher explaining a number pattern on a whiteboard.
Apr 6, 2010

In this video the instructor shows how to identify patterns in numbers, figures, letters. When given a pattern like 1, 2, 4, 7 try to find the change in each of the successive numbers in the pattern. ...

Calculator and mathematical equations on a digital whiteboard.
Apr 6, 2010

This video shows the user how to use a T189 calculator to plot linear equations. The video demonstration is done using an 'on screen' representation of the calculator – there are also verbal instructi ...

Mathematical equation involving a square root and an inequality.
Apr 6, 2010

This video shows the method to write a logarithm as a sum or difference of logarithms. The square root of the term given is taken out as half according to the rule. Then the numerator and denominator ...

Graphing functions on a coordinate plane with equations provided.
Apr 6, 2010

A line is defined by two connecting points on a graph, and intercepts are the points on both the x- and y-axis, where the line intersects. This video tutorial demonstrates how to graph lines using x ...

A teacher explaining a math problem on a whiteboard.
Apr 6, 2010

A factoring problem that has to be solved by grouping is easy to identify, because you can always identify if there are any similar terms in a polynomial. Now, if you find any variable common in any t ...

Quick Mental Tipping guide with examples and calculations for tipping amounts.
Apr 6, 2010

To figure out a tip without a calculator, first remove the pennies amount in the bill. For example, if your bill is $23.76 becomes $23.70. To figure out a 10% tip, move the decimal point one place to ...

Woman solving a mathematical equation on a whiteboard.
Apr 6, 2010

Radicals are square roots which are not integers; the square roots of 2 or 3 are examples of radicals. The presenters show simple ways of how to add and subtract such radicals. They explain that by us ...

Teacher in a crown explaining equations on a whiteboard.
Apr 6, 2010

You can solve 3 equations having 3 variables. Here are the 3 equation examples: x+2y+z=10. 2x-y+3z=-5. 2x-3y-5z=27. The goal is to reduce to 2 equations having 2 variables. Multiply bottom equati ...

Teacher explaining the equation of a hyperbola on a whiteboard.
Apr 6, 2010

This video is one in a series of videos dealing with conic sections, in mathematics. This particular video deals with hyperbolas. The teacher, Robert Ahdoot, gives an example of a hyperbola, during wh ...

Math teacher explaining a quadratic equation on a whiteboard.
Apr 6, 2010

This is a very interesting educational video on how to find the factor trinomials using the swing method. Let us take an example and find the factor trinomials for 2xsquare-13x-45. Let us use the swin ...