Answer:
Seriation
Step-by-step explanation:
Children who have reached the concrete operational stage are capable of seriation, which is the ability to order stimuli along a quantitative dimension, such as length.
Seriation is serial arrangement or the act of arranging things in series,sequence or succession( the ability to sort object or situation according to any characteristic based on either quantity or magnitude).In Piaget's theory of cognitive development there is a stage called the concrete operational stage which occurs from 7-12 during this stage, the child shows an increased use of logic and reason, it it at this stage that one important processes develops which is that of seriation,as children grow and develop, their ability to seriate will also develop. example is when children putting object in order from small to big, based on length,size etc