School math, multimedia, and technology tutorials.
This is the first post in the Word Problem Solving Series. This series is intended for middle school students. In this post, we are going to discuss how to solve number word problems in Algebra.
The that you should observer in this series translating words into algebraic expressions and equations. Prior to the discussion of word problems, you have already learned how to solve equations, so I will not show the solution in details. » Read more
The GeoGebra for the iPad project is a new project for the development of a
GeoGebra App for iPads. The project needs funding, so you may want to back GeoGebra’s Kickstarter Project.
Congratulations to the new GeoGebra Ambassadors: Sanjay Gulati (India), Steve Phelps (USA) of the GeoGebra Institute of Ohio, John Golden (USA), and Juan Pablo Echaverria (Costa Rica).
GeoGebra 4.2 is nearly finished. The development team is just making finishing touches. You may try the webstart version of the release candidate here and the offline installers here.
GeoGebraTube has now more than 14,000 applets that can be downloaded for and used for free. You may also want to follow GeoGebra’s official blog to keep up to date to the latest tips, tricks, and news.
In this post, we are going to discuss the meaning of increasing and decreasing functions. Consider the graph of the function f shown below. If we trace the graph with the mouse pointer, we would be able to observe that the trace is moving upward from a to b, moving downward from b to c, and moving upward again from c to d.
In mathematics, we say that the function is increasing from a to b, decreasing from b to c, and increasing again from c to d. Now, let us elaborate what do we mean by increasing functions. » Read more