MnM Hosting Math Teachers at Play

The Mathematics and Multimedia is hosting the Math Teachers at Play December Edition.

Calling All Bloggers If you have written anything playful about mathematics, now is the time to share! The Math Teachers at Play blog carnival is seeking articles about: learning, teaching, or just playing around with… …mathematics from preschool to precollege level (through the first year of calculus). Everyone is welcome — you don't have to be a teac … Read More

via Let's Play Math!

Advanced GeoGebra Tutorial 4 – Constructing a Customized Tool I

If we want to create a mathematical object (not included in the toolbar) many times, we may want to create our own tool.  This will save us the trouble of creating similar mathematical objects repeatedly.  In this example, we are going to create our own tool – the circumcircle of any triangle.  A circumcircle is a circle that passes through the three vertices of any triangle.

First we will construct a circumcircle of a triangle, and then we will use it to construct our customized tool. » Read more

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