## 3 is Everywhere

Another great video from Numberphile!

Another great video from Numberphile!

How could you not love a (well-behaved) paradox or two or three or four?

Another great video from Numberphile! What a way to blow your mind!

Fascinating number theory video!

According to this video, there are only 47 known perfect numbers, even with all of our computing power. Is there a student out there who wants a mathematical challenge to discover more? So far, all perfect numbers have been even. Is there an odd perfect number?

Here is a wonderful TED video from Robert Brown exploring the question about Why Mathematics? This is a great video for juniors and seniors to watch as they contemplate what to pursue in college. He defines math as the “thoughtful making of logical structure.”

Here’s a great article about inquiry-based learning and how important it is to let students fail (Gasp!) at certain tasks before they succeed. The idea, of course, is that a struggling student can be a learning student, that the adage “she who does the work, does the learning” applies. I […]

Here’s an article about how some artists are helping to teach math to students who are struggling. I love to see collaborations like this, where students can experience learning in different ways. I wish, though, that schools could find more ways to create better professional development. In theory, math teachers […]

Abbott and Costello 7 x 13 = 28. Hilarious! I have often wondered about the numbers themselves and how many other combinations would yield such humorous results….

Cool mathematics regarding the patriarchs and their potential ages. How about Seven times five squared? or five times six squared? or three times seven squared? http://www.jewishjournal.com/judaismandscience/item/biblical_numbers_mathematics_and_attributed_patriarchal_ages