This folder contains brochures, flyers, and a copy of the following publications listed below: The Colorado Mathematics Teacher, vol. 11, no. 2, December 1978. (Published by Colorado Council of Teachers of Mathematics). Newsletter Colorado Council of Teachers of Mathematics, vol. X, no. 2, November, 1977-vol. X, no. 3, February, 1978. Dr. Timothy D. Cavanaugh, Department of Mathematics, University of Northern Colorado, was Secretary-Treasurer of the Colorado Council of Teachers of Mathematics during 1977-1978. All the brochures and flyers in this folder were published by the University of Northern Colorado except for the following: "Colorado State College Presents a 3-Day Workshop The Laboratory Approach to Teaching Materials April 3, 4, 5, 1969." 3 copies.