Answer:
Concrete operational stage.
Explanation:
Under Piaget theory of cognitive development concrete operational stage is the third stage which is a period that span in middle childhood from age of 7 to approximately age of 11. The stage is characterized by the thoughts which are logical in nature and where child become much more logical in their thinking.
This stage also serve as the period of transition between the earlier and upcoming stages of development in a child's life where child learn how to think more abstractly.