The project "Math Teachers' Adventure of ICT Integration" (MTAII) is funded by the Erasmus+ project of the European Union (2015-1-TR01-KA201-021561). The main aim of the MTAII project is to provide professional development for mathematics teachers to integrate Information and Communication Technologies (ICT) into their lessons. To achieve this, three intellectual outputs have been designed: [list] [*][b]Open online course[/b] (OOC) allowing teachers to gain insigths about ICT integration into mathematics classrooms. [*]Development and dissemination of [b]open educational resources[/b] (OER) to help overcome the scarcity of interactive instructional resources [*][b]Online teacher community[/b] (OTC) of peer teachers and researchers, that provides ongoing support to teachers willing to integrate technology into their classroom practices. [/list]