Book of arithmetic work sheets that teach basic Arithmetic skills to adults in certain communities of Bukidnon, North Davao and North Cotabato where Ilianen Manobo is the vernacular dialect. The book recognizes the pedagogical importance of dividing literacy and second-language learning into two steps - literacy being the first. When a student has learned to read the language he understands best, the resulting satisfaction in his accomplishment gives the drive and confidence he needs to learn the national language. His ability to read, furthermore, is an indispensable tool for the study this program will require.