180 Days – Classroom Photoblog
September 7, 2012, 12:00 amSo I’ve joined the ranks of the 180 day classroom photo-blog (ugh, hate that word) in hopes of keeping up on reflection in this very busy year. And here’s a Google Reader bundle of a whole bunch of 180 blogs compiled by Frank Noschese. Cheers.
Nickels
August 31, 2012, 12:00 am
First Day Activity: Puzzlers
August 30, 2012, 12:00 amOn the first day of class in AP Calculus and Pre-Calculus Honors I’ll give out the following list of puzzlers that they’ll have a limited amount of time to work on. The students will be working in groups on the new $2 interactive whiteboards.
Btw, I still haven’t...
Chipotle Math
August 30, 2012, 12:00 amFrom the consumerist:
On the first, dated July 13, the nine items added up to $32.93. There was $2.31 in tax. The total should have been $35.24, but next to the “total” line on the receipt, it said $35.25.
The next receipt, with the same sale date, showed a subtotal of $8.64. The tax was $0....
Intelligently Cracking Passwords
August 24, 2012, 12:00 amFrom Ars:
One promising technique is to use programs such as the open-source Passpal to reduce cracking time by identifying patterns exhibited in a statistically significant percentage of intercepted passwords. For example, as noted above, many website users have a propensity to append years t...
Programming Software Tools
August 16, 2012, 12:00 amI thought it might be useful to share a list of programming tools that I use in my Intro to Programming class. This is also an update to my earlier programming ideas post from last year.
My general rule for software in this class is that it should be free and multi-platform. If they kids have a...
Sizes of Infinity
August 11, 2012, 12:00 amMessage and medium
July 14, 2012, 12:00 amI really enjoyed Vi Hart’s newest video, but I heard conflicting messages. Vi compliments Sal Khan’s videos because the are done on the fly and you can see his thinking process, but then she scoffs videos that are all about the process of math (memorizing equations and processes).
I would argue t...
Planets – XKCD
June 20, 2012, 12:00 am
Fantastic comic by xkcd, as usual. But the most interesting part is the hovertext:
Planets are turning out to be so common that to show all the planets in our galaxy, this chart would have to be nested in itself–with each planet replaced by a copy of the chart–at least three levels deep.
So,...
