This workbook is part of a Mexican series of instructional materials designed for Spanish speaking adults who are in the process of becoming literate or have recently become literate in their native language. This workbook focuses on teaching initial sounds and letters and moves on to simple words and sentences. The unit on mathematics goes over simple numeracy. The workbook units are organized around Spanish vowels and sounds in common spanish words, such as pinata, tortilla, and casa. (Adjunct ERIC Clearinghouse for ESL Literacy Education) (CK)