The Importance of Flexible Grouping in Math Instruction

I think that it's unfortunate because I think that a lot of what is in the document is actually trying to achieve some things That people have been fighting for for decades when it comes to math instruction. It just clouds the issue to have all this culture war Nah, I hate the document So, I think it's out to do some positive things My big difficulty with it is that the folks who are talking on behalf of this change are not the best messengers for it.