If you teach middle or high school math - I highly recommend spending a chunk of time looking through the lessons. They are amazing! All lessons use common core standards with real world problems. Great example...how many movies can you see in one day, justify answer with viable argument.
Algebra 2 Readiness Summer or Back to School Packet from Teaching and Learning on TeachersNotebook.com (14 pages) - The perfect way to have your students review their Algebra 1 skills before entering your Algebra 2 class. Want to assess the prerequisite skills your students have when they set foot in your classroom? This packet is important to complete either in the su