Friday, March 29, 2013
Math Links for Week Ending Mar 29th, 2013
Here is a super fun activity that puts a gaming spin on drawing circles. Its an
app that asks you to draw as good a circle as you can (with your mouse) and it will then judge how good you are (based on the comparison of perimeter and area). And just to make it even funner, you get a picture of a cat (angry or happy) depending on how well you do.
Curriculum Tags: Gr8, MPM1D, MPM2D, MFM1P
I just can't get enough of the Desmos online graphing calculator. Just found out that they have a great youtube channel (http://www.youtube.com/desmosinc) and a nice Pinterest Page (http://pinterest.com/desmos/). Lots of good stuff here
Curriculum Tags: All
Dan Meyer has a really interesting problem that he asks about regular polygons.
Curriculum Tags: Gr7, Gr8, MPM1D
Here is a tough trig assignment that would be good assessing basic trig functions
Curriculum Tags: MPM2D, MCF3M, MCR3U
I really like this Trig identities activity where students seem to graph different functions but upon actually graphing them they are all the same. Nicely done. Worksheets included.
Curriculum Tags: MCR3U, MHF4U
Here is an activity about ratios, scale diagrams and proportions that uses a lot of real pictures (and maybe some contrived contexts but they are fun). Worksheets included.
Curriculum Tags: Gr7, Gr8, MPM1D, MFM1P
Here is a cool activity about area of irregular shapes. Students actually measure their
Curriculum Tags: Gr7, MFM1P
Interesting article about the math used when running a marathon. Could be used for simple number sense calculations and possibly rates. I know when I am running I am constantly using rates to calculate splits.
Curriculum Tags: Gr7, Gr8
Sometimes math can be wielded incorrectly under the guise of expert testimony. That is the premise of a book called Math on Trial. Here are some stories of how math was used incorrectly to convict innocent people. Especially where probability is concerned.
Curriculum Tags: Gr7, Gr8, MDM4U