A Caveman Learns Math III

<p>This interesting way of looking at numbers as piles of rocks was suggested by Paul Lockhart in his book&nbsp;<em><a href="https://www.amazon.com/Mathematicians-Lament-School-Fascinating-Imaginative-ebook/dp/B003VPWWFW/ref=sr_1_1?crid=JBE9XLGYLRXA&amp;keywords=a+mathematician%27s+lament&amp;qid=1696179607&amp;sprefix=a+mathematician%27s+lamen%2Caps%2C131&amp;sr=8-1" target="_blank">A Mathematician&#39;s Lament</a>.&nbsp;</em>I learned about it in Steven Strogatz&#39;s book&nbsp;<a href="https://www.amazon.com/The-Joy-of-x-Steven-Strogatz-audiobook/dp/B07VGN5VPH/ref=sr_1_1?crid=2X541UNIB9UUH&amp;keywords=the+joy+of+x&amp;qid=1696179632&amp;sprefix=the+joy+of+x%2Caps%2C130&amp;sr=8-1" target="_blank"><em>The Joy of x</em></a>.</p>