Concrete Operational


This is the third stage in Piaget’s theory of development. This stage begins at age seven and end at age twelve.

During this stage, Children begin to show signs of using logical thinking similar to adults. However their logical thinking is limited to reasoning about real-life situations only.

Milestones of the Concrete Operational Stage:

  • Ability to distinguish the difference between their own thoughts and the thoughts of others; children are able to recognize that their thoughts and perceptions might be different from others around them.
  • Increased Classification Skills- Children are able to classify objects by number, mass, and weight
  • Ability to think logically about certain objects and events


Atherton J S (2011) Learning and Teaching; Piaget’s developmental theory [On-line: UK] retrieved 12 November 2011 from

Read more: Piaget’s developmental theory
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McDevitt, T., & Ormrod, J. (2006). Piaget’s Four Stage of Cognitive Development. Retrieved from


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