Another mix of miscellaneous math leftovers from the week:

**1)**Lots of Common Core stuff going on, starting with this brand new, interesting interview at

**blog, with a New York school principal on CC:**

*Mathbabe's***http://tinyurl.com/m9ow69m**

**2)**When Keith Devlin says something is a "must-read" and "must pass-on," I take it very seriously. Interesting piece, related to math Common Core:

http://themindfulmathematician.blogspot.com/2014/03/a-letter-to-frustrated-parents-of.html?m=1

**3)**On the exact same theme (as above), this discussion of a Common Core math problem made its way around the 'Net this week as well (...with PLENTY of comments):

**http://tinyurl.com/lyukvc9**

**4)**Meanwhile, Khan Academy announced its own new set of Common Core resources at their site:

http://gettingsmart.com/2014/03/new-common-core-math-missions-launch-khan-academy/

**5)**h/t to

**The Aperiodical**for pointing out this new "matheducators" adjunct to

*Math Stack Exchange*, for questions specific to teaching mathematics:

http://matheducators.stackexchange.com/

**6)**Jason Rosenhouse has a second post up now regarding his new tribute book to Raymond Smullyan, "

**Four Lives.**" The post explains the basic 'knights and knaves' puzzles Smullyan was famous for, but then branches off to discuss further variations. If you're into puzzle logic, a good read:

http://scienceblogs.com/evolutionblog/2014/03/26/non-classical-knights-and-knaves/

**7)**Patrick Honner tweeted a PISA study indicating that students under authoritarian educational systems scored better on math than more democratic systems:

**http://tinyurl.com/kn4n82c**

**8)**I don't know when Ed Frenkel ever finds time to teach (let alone write books!), he seems to spend all his time on the internet somewhere… this week we find him giving a wonderful podcast interview at "

*Rationally Speaking*":

http://rationallyspeakingpodcast.org/show/rs104-edward-frenkel-on-love-and-math.html

**9)**Here, another blogger peeved with p-values (…is there anyone left who likes p-values?):

**http://www.dcscience.net/?p=6518**

**10)**Cliff Pickover tweeted a link to this nice pictorial Venn diagram of number categories:

https://twitter.com/pickover/status/448927165057228800/photo/1

**11)**As most have likely seen, the Abel Prize (often called the Nobel of mathematics) was awarded this week to a pioneer of chaos theory:

http://www.nature.com/news/chaos-theory-pioneer-nabs-abel-prize-1.14935

**12)**Matt Parker tweeted a link to (and highly recommended) an older David Acheson book that I'd never heard of, "

**1089 and All That: A Journey Into Mathematics**"… looks good and worth passing along:

http://www.amazon.com/1089-All-That-Journey-Mathematics/dp/0199590028

**13)**And Murray Bourne tweets a link to this pageful of math books (in different categories) freely downloadable from the Web:

**http://magmath.com/problems/math/textbooks**

**14)**I'll end with an interesting tabletop geometry puzzle from Presh Talwalkar:

**http://tinyurl.com/nvx2n3a**

...Everyone have a good weekend! (…just maybe, perhaps, possibly, Spring will arrive to stay).

[

*...and let me know ASAP if any of these links are broken or don't work right.*]

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