The teaching of computational thinking have been of great importance in the expansion of the students' cognitive capacities in different stages of their development. This article reports the experience of Computing degree students, entitled "Workshop of Logical Reasoning and Programming", with the objective of assisting math students learning skills at the Brazilian Mathematics Olympiad of Public Schools (OBMEP) and introduce Computing for basic education. As a result was noted students positive change at reasoning and problem-solving skills, as well as interest and curiosity increase for areas related to computing.