While children in the concrete operational stage of cognitive development are more logical thinkers, the type of thinking that is still too challenging for them at this stage is: Understanding abstract ideas.
Abstract ideas are those forms of reasoning that dwell on immaterial things. These ideas are not tangible and are most closely related to ideas, feelings, and qualities. Children who are in the concrete operational stage of cognitive development are between the ages of 7 and 11.
These children can be able to arrive at ideas through logical reasoning but they may not be able to understand ideas that are not clearly observable. So, abstract ideas will be difficult for such children.
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