A helpful math tool for all k-12 students

A Maths Dictionary for Kids is an excellent reference for any student to have handy. From simple concepts like addition to fractions, to more complex math vocabulary concepts like Fibonacci numbers or frustrums (I did not know that one), it would be difficult to find a term, theorum, or concept that was not listed in the Maths Dictionary for Kids.

Don't let the simple layout fool you and make you think it's only for the younger students - it is unbelievably simple to navigate but contains high level terms and descriptions that high school students will appreciate. I went to the A's and clicked on "area" to get this nice visual aide and description.

Besides the nice visual and graphic representations that are easy to read and interpret - almost all have some way by which you can take the concept for a test run - either on the main description page, or the following. For example on the "area" page, I clicked the button on the bottom for "area calculators" and got this handy tool;

Whatever grade you teach, show the Maths Dictionary to your students! Help younger students learn how to easily navigate this tool so that they can help themselves with their math work, and can keep referring back to it whenever they need to.

e-Tutor Graphing Calculator - no more expensive graphing calculators!

These online graphing calculators have been popping up for awhile, but I am seeing e-Tutor's version get consistently high ratings by teachers in ed. publications. No registration or sign-in, extremely simple to use.

Enter functions of x using a standard mathematical format. You can enter more than one function by separating functions with a semicolon.

I entered sin(x) and got this result:
You can play around with it by changing exponents, constants, etc. Really cool feature - roll (don't click) the mouse over the line and see the x and y coordinates.