Teachers' Domain is a extensive library of free digital media resources produced by public television, designed for classroom use and professional development
"Twitter etiquette?
Is there such a thing?
Maybe, maybe not. Depends on who you ask and since there's no Twitter Board of Etiquette (hmmm… might that domain name be available?), you can do pretty much what you want. And, because it's so easy for any of your followers to unfollow you should you not meet their standards of etiquette, it's kind of a self-policing thing anyway."
View the Common Core State Standards in one convenient FREE app! A great reference for students, parents, and teachers to easily read and understand the core standards. Quickly find standards by subject, grade, and subject category (domain/cluster). This app includes Math standards K-12 and Language Arts standards K-12. Math standards include both traditional and integrated pathways (as outlined in Appendix A of the common core) and synthesizes Language Arts standards with the Corresponding College and Career Readiness Standards (CCR's).