Sam Blumenfeld, pioneer in the modern homeschool movement, gives a lecture on the history of arithmetic and the invention of zero.  
Please visit our website www.campconstitution.net

Sam Blumenfeld, pioneer in the modern homeschool movement, gives a lecture on the history of arithmetic and the invention of zero. Please visit our website www.campconstitution.net

Episode 160: The History of Arithmetic:  A Lecture by Sam Blumenfeld

<p>The Camp Constitution Report  is sponsored by Camp Constitution, a charitable trust, that runs a week long family camp, a YouTube Channel, a publishing arm, a speaker's bureau, hosts the Sam Blumenfeld Archives, and engages in year round outreach activity. Our website is http//www.campconstitution.net. Donations are always welcomed and can be made via our PayPal account accessed from our website's homepage. </p>

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The Camp Constitution Report is sponsored by Camp Constitution, a charitable trust, that runs a week long family camp, a YouTube Channel, a publishing arm, a speaker's bureau, hosts the Sam Blumenfeld Archives, and engages in year round outreach activity. Our website is http//www.campconstitution.net. Donations are always welcomed and can be made via our PayPal account accessed from our website's homepage.

<p>The Camp Constitution Report&nbsp; is sponsored by Camp Constitution, a charitable trust, that runs a week long family camp, a YouTube Channel, a publishing arm, a speaker's bureau, hosts the Sam Blumenfeld Archives, and engages in year round outreach activity. Our website is http//www.campconstitution.net. Donations are always welcomed and can be made via our PayPal account accessed from our website's homepage.&nbsp;</p>

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Episode 160: The History of Arithmetic: A Lecture by Sam Blumenfeld

Episode 160: The History of Arithmetic: A Lecture by Sam Blumenfeld