This volume, the fourth in a series of 16, contains the learning module which focuses on creating a cultural learning environment in a competency based bilingual/bicultural Child Development Associate (CDA) preschool teacher training program. The module aims at providing the CDA trainee with the skills and knowledge to promote Mexican American preschool children's learning of their own culture through the use of cultural materials in the classroom environment. The organization of the classroom into learning centers is recommended. The first section includes recommendations for the general appearance of the classroom. Following chapters deal with different learning centers: the manipulative equipment center, the art center, the science center, the book and language center, the music center, the role-playing center and the block center. Each chapter includes a pre-test, a discussion of the center in question, suggestions for trainee learning activities and a posttest. The rationale for the specific learning centers, and the methods and strategies for implementation, are discussed. This module deals with aspects of CDA Competencies 1, 2, and 4. (BH)