https://www.americanheritage.com/ en https://www.americanheritage.com/whatever-happened-new-math-0 <span property="schema:name" class="field field--name-title field--type-string field--label-hidden">Whatever Happened to New Math?</span> <span rel="schema:author" class="field field--name-uid field--type-entity-reference field--label-hidden"> <a title="View user profile." href="/users/jeffrey-w-miller" lang="" about="/users/jeffrey-w-miller">Jeffrey W. Miller</a></span> <span property="schema:dateCreated" content="2011-01-21T08:58:13+00:00" class="field field--name-created field--type-created field--label-hidden">Fri, 01/21/2011 - 03:58</span> Fri, 21 Jan 2011 08:58:13 +0000 Jeffrey W. Miller 57099 at https://www.americanheritage.com