Estares, Evangeline T. <br/><br/>Development of Mathematics 2 workbook in mother tongue/ Evangeline T. Estares.  -- Parañaque City:  Olivarez College,  2015. <br/><br/>Master Thesis <br/><br/> Title Researcher : Degree School Adviser : Year Objective : : : : DEVELOPMENT OF MATHEMATICS 2 WORKBOOK IN MOTHER TONGUE Evangeline T. Estares, MAEd Master of Arts in Education Major in Educational Management Olivarez College Rolando L. Magno, Ed.D 2015 This study was aimed at developing Mathematics 2 workbook presented using Mother Tongue as per K to 12 provision. Specifically it sought answers to the following research questions. 1. What instructional material model serves as a springboard of this material? 2. How valid is the proposed workbook as to: 2.1. Vocabulary; 2.2. Suitability.  2.3. Development Sequence;  2.4. Style of Presentation; and  Methodology  2.5. Congruence of competencies, content and assessment  activities  3. Based on the result of the validation, what workbook for  Mathematics 2 can be developed?  vi  This study utilized developmental research supported by  documentary analysis, for the competencies prescribed by the Department  of Education (DepED) intended for Grade 2 Science under K to 12  Curriculum. The said instructional material underwent validation by invited  specialists and field practitioners in terms of vocabulary, suitability,  development sequence, style of presentation and congruence of  competencies, content and assessment. <br/><br/><label>Subjects--Topical Terms: </label><br/>K-12 Curriculum.<br/>Learning Competencies.<br/><br/><label>Dewey Class. No.: </label>T 370 2015 301