Professora Angela Matemática: https://www.youtube.com/channel/UC5Y3Kw7DCG6FTiC0Xx7sgfQ/featured
Matemática do aluno - Prof. Rodrigo Ribeiro: https://www.youtube.com/user/matematicadoaluno/featured
Brasil Escola: https://www.youtube.com/channel/UCsgHWN8lYveMUEWTDheTjZA/featured
Bruno Glasses Matemática: https://www.youtube.com/user/BRUNOGLASSES/featured