Investigations is a complete K-5 mathematics curriculum, developed at TERC in Cambridge, Massachusetts. It is designed to help all children understand fundamental ideas of number and operations, geometry, data, measurement and early algebra. Learn More »
Welcome to Investigations
Investigations Classroom Video
View video of Investigations classrooms on Curriculum in the Classroom.
Investigations and the Common Core
The authors of Investigations have developed materials to support teachers and schools that use Investigations to implement the Common Core State Standards. Learn More »
Professional Development by TERC
Visit the Investigations Workshops website for information about workshops and institutes.
News and Events
View information about news and upcoming events.
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