div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Math Teachers Circles · circle colleagues Tom Davis formerly of Silicon Graphics Joshua Zucker then a math teacher at Castilleja School in Palo Alto and Sam Vandervelde co-founder src=https:reader033vdocumentsnetreader033viewer20220506115fb2ae841bd3f342c6377d85html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: Math Teachers Circles · circle colleagues Tom Davis formerly of Silicon Graphics Joshua Zucker then a math teacher at Castilleja School in Palo Alto and Sam Vandervelde co-founder src=https:reader033vdocumentsnetreader033viewer20220506115fb2ae841bd3f342c6377d85html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: Math Teachers Circles · circle colleagues Tom Davis formerly of Silicon Graphics Joshua Zucker then a math teacher at Castilleja School in Palo Alto and Sam Vandervelde co-founder src=https:reader033vdocumentsnetreader033viewer20220506115fb2ae841bd3f342c6377d85html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdiv