Header Banner
Gadget HacksNext RealityFood HacksNull ByteThe Secret YumiverseInvisiverseMacgyverismsMind HacksMad ScienceLock PickingDriverless
wonderhowto_01.png

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]
Solving proportions with equations and diagrams.
Apr 18, 2010

This video describes about how to solve multiple proportions. The first step describes how to cross multiply and solve the equation. There are three proportions solved in this video and they are expla ...

A person writing on a whiteboard during a lecture or presentation.
Apr 18, 2010

This video is about deriving the area of a circle of radius 'r' using polar co-ordinate. First, we draw a circle and its radius 'r'. Then draw another radius close to it, so that it forms a small tria ...

"How to Multiply 2 digit numbers using the grid method" cover image
Apr 18, 2010

This video shows the method to multiply two digit numbers using the grid method. First make a grid of three rows and three columns. Put a cross in the first row and first column or the (1,1) position. ...

Mathematical equation with a hand-written note cautioning about reducing fractions.
Apr 18, 2010

This video illustrates the method of dividing real numbers. The process is composed of the following steps -Step 1Take any two real numbers. Convert them to rational numbers taking denominator as one. ...

A man explaining the concept of antiderivatives in mathematics on a whiteboard.
Apr 18, 2010

In this video tutorial, viewers learn how to define an indefinite integral in calculus. Finding the anti-derivatives of a function is called anti-differentiation. The f(x) is the derivative of F(x), w ...

Math lesson on percent proportion with example calculations.
Apr 17, 2010

A percent problem is one in which you are given a quantity and asked to compute the value of a percent of it. You may also be given the whole quantity and a part of it and asked to compute the percent ...

Diagram depicting a proportion for calculating typing speed, comparing 30 words per minute to an unknown variable for 390 words.
Apr 17, 2010

This video shows the method to solve word problems using proportions. In the given problem, we have to find the time taken by a person to type 390 words if the person takes 1 minute to type 30 words. ...

Math equations and calculations on paper.
Apr 17, 2010

This video demonstrates the quotient rule as applied to exponential expressions that appear in the form of, to use the word loosely, a fraction. The name, "quotient rule", refers to the fact that it a ...

Long division calculation of 432 by 54 on a whiteboard.
Apr 17, 2010

In this video the instructor gives you sample as of how to SLEP long multiplication. You start by breaking the numbers up to simpler forms. If you have a two digit number that your multiplying by a an ...

Mathematical calculations on graph paper.
Apr 17, 2010

This video shows the method to simplify rational expressions. The example used in the video is multiple of 4 and x square plus multiple of 4 and x plus 1 or (4x^2 + 4x + 1)/(2x^3 + 11x^2 + 5x). As the ...