http://www.ccsso.org/documents/2012/common_core_resources.pdf

Pages 14 and 15 at that site contain links that will likely clear this up (for me). Thank you for the info making it possible for me to find that site.

I found it difficult to believe the article as linked to in the opening post, so I asked here. That may have been a mistake, but that's as it is. Many thanks.