- K-12 Mathematics Curriculum Development Center (NSF)Helps teachers and administrators make thoughtful, informed decisions about mathematics curriculum and instructional materials. Projects explore/analyze how curriculum decisions are made in K–12 math programs, provide resources that support good curriculum selection/implementation, and connect research/practice in math instruction.
- Mathematics Assessment ProjectThis collaboration between UC Berkeley and the University of Nottingham (UK) is a great resource for math teachers and student teachers searching for resources (lessons, classroom tasks, and assessments) which reflect current Common Core learning standards. Users can search by keyword, can narrow their search to specific grade level, and can even browse for materials based on the specific standard they support. All materials are free/downloadable.