Head hurts and Common Core have become synonymous. RedState editor in chief, talk radio host and Fox News contributor Erick Erickson took to Twitter to give Common Core the business.

This is McGraw-Hill's common core math book. It is crap.

A photo posted by Erick Erickson (@ewerickson) on

Sigh. Sound familiar?

But Common Core has really done it now:

Dear Common Core creators, you have pissed off my wife. The 9yo had to deal with this tonight.

A photo posted by Erick Erickson (@ewerickson) on

What in the heck? Be warned, Common Core. You have to deal with mama grizzlies now. And they won’t back down from protecting their children. Ever.

Here are some of the comments from Instagram:

common-core-erick-comments-instagram

More of the same from fed-up Twitter users.

Unreal.

Yep and speaking of that …

Enraging.

And in an exit nutshell:

Related:

Twitchy coverage of Common Core