Olimpíada de Matemática do Grande ABC

The Olimpíada de Matemática do Grande ABC (English:Grande ABC Mathematical Olympiad), or OMABC is a mathematical competition for pre-collegiate Brazilian students of Grande ABC region, composed by the following cities:


 * BandeiraSantoAndre.svg Santo André
 * Bandeira de São Caetano do Sul.svg São Caetano do Sul
 * Bandeira_de_S%C3%A3o_Bernardo_do_Campo.jpg São Bernardo do Campo
 * Bandeira_de_Diadema-SP,_Brasil.png Diadema
 * Bandeira_Maua_SaoPaulo_Brasil.svg Mauá
 * Bandeira-ribeiraopires.jpg Ribeirão Pires
 * Bandeira-riograndedaserra.png Rio Grande da Serra

The Faculdade de Ciências Exatas e Tecnológicas da Universidade Metodista de São Paulo is the main organizator of this event, who create the tests and correct then. The main purpose of this olympiad is improve the mathematical knowledge, encouraging the study and research in scientific areas., and contributing to participate in national mathematical competitions, like Olimpíada Brasileira de Matemática das Escolas Públicas and Olimpíada Brasileira de Matemática. The first edition was held in 2004.

Students
The participants are ranked based on their individual scores. Medals are awarded to the highest ranked participants, such that slightly less than half of them receive a medal. Subsequently, the cutoffs (minimum scores required to receive a gold, silver or bronze medal respectively) are chosen such that the ratio of gold to silver to bronze medals awarded approximates 1 : 2 : 3.


 * Gold medal.svg Gold medal
 * Silver medal.svg Silver medal
 * Bronze medal.svg Bronze medal

Schools
Special prizes are awarded for the schools:


 * Trophy.jpg Trophy: For the schools whose students received at least a golden medal.
 * Honorable Mention: For the schools at least one student received an award.