National Science Foundation as a child-centered, inquiry-based, activity-driven math program based on problem solving. The TERC authors received 2 National Science Foundation (NSF) grants to create (1994-1998) and then revise (2001-2006) Investigations curriculum. Visit both the TERC and NSF sites through the links below.



Investigations is a complete K-5 mathematics curriculum, developed at TERC in Cambridge, Massachusetts. It is designed to help all children understand the fundamental ideas of number and operations, geometry, data, measurement and early algebra.


National Science Foundation (NSF)

NSF is an independent federal agency created by Congress in 1950 "to promote the progress of science; to advance the national health, prosperity, and welfare; to secure the national defense…" With an annual budget of about $5.5 billion, we are the funding source for approximately 20 percent of all federally supported basic research conducted by America's colleges and universities.