Monday, May 29, 2017

Video: Random Sampling


Pew Research Center has just launched Methods 101, "a new occasional video series dedicated to explaining and educating the public about the basic methods we use to conduct our survey research."

Saturday, February 18, 2017

Total Amount of Skittles: Fixed or Variable?

Today, I read a great post from Dan Meyer talking about a 3-Act lesson he did in an elementary school having students estimate the total number of Skittles in a jar. A statement he made got me thinking about the variability or fixed nature of the total.

Friday, February 10, 2017

Common Core Algebra II: A Truckload of Oranges?

Can someone please explain to me WTH "The Orange" question (#26) from the January 2017 Common Core Algebra II Regents was asking?

This question is... just, wow. Where do I even begin?