Tag Archives: exploration

Discovering the area of a trapezoid

Posted on December 29, 2017 by aofradkin

Below is a guest post by Dmitry Bryazgin (originally written in Russian). Dmitry runs a small math circle near Princeton for students in grades 3-5. On the particular day described in the post, there were 4 students present. The main … Continue reading →

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A number talk that turned into an investigation

Posted on May 26, 2017 by aofradkin

It all started out with 12+12+12 a problem that was not particularly difficult for any of my 1st/2nd grade students.  The students took turns suggesting strategies for doing this computation and I recorded them on the board (this was an … Continue reading →

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Exploring Rectangles

Posted on September 17, 2016 by aofradkin

Friday is a special day in our math classes at the Main Line Classical Academy.  We read and discuss mathematical stories and we do exploration projects.  Here is the project that we did with the 2nd-4th grades last Friday. It … Continue reading →

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