About Us

The Investigations PD for Transforming Mathematics project at TERC offers the only professional development created by the authors of the Investigations in Number, Data and Space curriculum.

We have worked with more than 30,000 teachers and leaders in forty-eight states across the country since our work began in 1997. We have worked with large urban districts, such as Wichita, KS, Detroit, MI and New York City, NY, and smaller districts and rural communities including Livermore, ME and Hardin, MT.

Through our contact with such a large variety of schools and districts, all at different stages in their implementation of Investigations, we have learned that the schools with the most success are the ones that provide substantial ongoing professional development support for their teachers.

Our professional development offerings are designed to help teachers, leaders, and administrators understand the mathematics content and pedagogy of Investigations and translate them into action in their own schools.