What is the zone of proximal development (ZPD)? What are its lower and upper limits? How can one use peer scaffolding to teach children mathematics within the zone?
What will be an ideal response?
The zone of proximal development (ZPD), developed by Lev Vygotsky, consists of the range of tasks that are too difficult for children to master alone but can be learned with guidance and assistance from adults or more-skilled children. The lower limit of the ZPD is the level of skill reached by the child working independently. The upper limit is the level of additional responsibility the child can accept with the assistance of an able instructor.
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