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 »
The TERC authors and Pearson are currently working on a 3rd edition of Investigations ©2017. Learn More »
View video of Investigations classrooms on Curriculum in the Classroom.
Visit the Investigations Workshops website for information about face-to-face and online offerings.
View information about news and upcoming events.
Investigations in Number, Data, and Space was developed at TERC and funded in part by the National Science Foundation.
