Try a New Angle

Most states in the United States have adopted some form of the Common Core State Standards CCSS.  Although there is some debate about which aspects of the CCSS are most valuable and which have become politicized, the CCSS does provide the basis for most state's programs.  AchieveTheCore has done a commendable job of interpreting the CCSS and showing how each standard is linked together.

Dan Meyer created the concept of 3-Act Math.  Since then, his idea has been heavily imitated to create fantastic lessons that inherently motivate students.  They are easy to find online, but Dan Meyer continues to blog about what he has found to be successful in math classroom around the world. 

Jo Boaler has become one of the leading authors in mathematics research education.  She has worked with various researchers of the brain, education.  YouCubed.org is full of resources, tasks, and research that will change the way math is taught.

Khan Academy is a free tool everyone can use.  Many teachers know about it, but most do not fully comprehend the assessment and practice power it can have.  It can be used for review, preview, or as activity stations within a class period.

Universal Design for Learning is a teaching concept based on the central idea that teaching to the "middle" or average students is not nearly as effective as planning lessons to reach the extremities of your classes.