“... for problem solving is a useful tool for people to understand the world and our environment. For this reason...”
Enlace del recurso

“... more valid determinations. For this reason the aim of the study is to evaluate the concept images...”
Enlace del recurso

“... flexibly when mentally computing, estimating, judging number magnitude, and judging reasonableness...”
Enlace del recurso

“... the mathematics teachers to the first blank and to explain the reasons why they wrote this metaphor. The data...”
Enlace del recurso