Yaschenko And . In. , Shestakov S. A. , Trepalin A. C. , Semenov A. In. , Zakharov P. and . M. : Exam, ICMN, 2015. — 295 s. — (GEO (GIA-9). 50 options. Typical text tasks. — ISBN 978-5-377-08641-3. The manual contains 50 variants of standard control measuring materials of the Main State Exam (GIA-9). Purpose of the manual - development of practical skills of students in preparation for the exam in mathematics (in a new form) in the 9th grade . The collection provides answers to all the tasks of the variants. The manual is addressed to teachers and methodologists who use standard test tasks to prepare students for the Main State Exam (GIA-9) of 2015, it can also be used by students for self-training and self-control.