Publisher's Synopsis
The new transformations of basic secondary education require students with a comprehensive general education, as well as with a teaching-learning of mathematics in the resolution of problems related to practical life. However, the way it is developed is insufficient, due to the needs they still present to solve mathematical problems, corroborated in the low results in this cognitive domain in the seventh grade evidenced in: limitations in interpreting the given situation, insufficiency in determining what is given and what is sought in looking for the solution way and solving it.
