URL to this page: http://bit.ly/Duane314 Sometimes when I do a training, I’ll ask participants to Tweet a thought and/or image to #Duane314. This is where those tweets will go… Tweets about #Duane314

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Interested in learning more about GeoGebra and how it can be used in ANY math class? Consider coming to Merced on January 11, 2018. We are going to have a blast learning the three phases of GeoGebra: Borrow from others Break an applet to learn how it was made Build your own applet from scratch […]

A famous bard once said, “A trapezoid by any other name would still be a trapezium”. Okay…totally not true. But it brings to mind the question I am often asked, “What is the definition of a trapezoid?” In fact, I was asked this question today. So here is my answer… For mathematics, being a subject […]