interview vitae type obsevation table result student research power curriculum factor content METHODOLY REVIEW mathematic procedural sheet INTRODUCTION appendice RESULT definition CONTENTS conclussion fraction addition benefit description unsimilar observation authentication DISCUSSION TABLE operation formulation substraction collection boundary multiplication LITERATUR viii SUGGESTIONS data discussion special identification method site operational popolation iii sample cause problem OF III similar REFERENCES analysi RESEARCH solve IV tribe conceptual algebra CONCLUSSIONS level singular II CHAPTER figure background number error test meaning page preface purpose time framework list math achievement substitute suggestion division abstract instruction