1. This teacher’s guide module entitled “MASTERING FUNDAMENTAL OPERATIONS AND INTEGERS (MODULAR WORKBOOK FOR 1st YEAR HIGH SCHOOL)” is part of the requirements in Educational Technology 2 under the revised Education curriculum based on CHEd Memorandum Order (CMO)-30, series of 2004. Educational technology 2 is a three (3) unit course designed to introduce both traditional and innovative technologies to facilitate and foster meaningful and effective learning where students are expected to demonstrate a sound understanding of the nature, application and production of the various types of educational technologies.<br />The students are provided with guidance and assistance of selected faculty members of the College through the selection, production and utilization of appropriate technology tools in developing technology based teacher support materials. Through the role and functions of computers especially the internet, the student researchers and the advisers are able to design and develop various types of alternative delivery systems. These kinds of activities offer a remarkable learning experience for the education students as future mentors especially in the preparation of instructional materials.<br />The output of the group’s effort may serve as an educational research of the institution in providing effective and quality education. The lessons and evaluations presented in this module may also function as a supplementary reference for secondary teachers and students.<br />FOR-IAN V. SANDOVAL<br />Computer Instructor/ Adviser/Dean CAS<br />NOEL A. CASTRO<br />Engineer/Mathematics Instructor<br />LYDIA R. CHAVEZ<br />Dean College of Education<br />