Training Manual . — Edited by . and . In. Yaschenko . - M. : Intellect Center, 2015. — 80 s . The manual is intended for independent preparation of graduates of secondary schools for the main state exam (OGE) in mathematics in 2015 and for preparation for the exam at school . It can also be used for in-school rehearsal exams in 9th grade. This manual contains 12 variants of examination work, drawn up in accordance with the draft demo version of the control measuring materials of the 2015 OGE in mathematics . All tasks are given answers and evaluation criteria. The publication is addressed to ninth graders, teachers and methodists.