EDUCATION - National 'Common Core' Standard, But How?

"In Defining What Public School Students Should Know, Teachers Wonder 'How?'" (Part-1 of 2) PBS Newshour 8/13/2013

Excerpt

SUMMARY:  In the past, public school standards varied state to state.  With backing from the federal government, some governors and superintendents collaborated on a national "Common Core."  But they define only the "what" -- what kids should know, not how they should be taught.  Special education correspondent John Merrow reports.