A Post, a Rant, and a Video

A few more links today in case you've missed them:

Evelyn Lamb continues the recent spate of commentary on pi with her take on pi and big (I mean B-I-I-I-G) numbers here:

http://blogs.scientificamerican.com/roots-of-unity/2013/04/17/big-numbers-are-big/

Wonderful rant from Grant Wiggins on the never-ending-wrangle over teaching high-school algebra:

http://grantwiggins.wordpress.com/2013/04/10/my-100th-post-so-why-not-bash-algebra/

And Keith Devlin weighs in, as well, on the teaching of algebra, in this 4-minute video: