Vygotsky's theory of the zone of proximal development has implications for teachers in organizing classroom activities. Teachers should plan activities that both challenge students at their current ability level and also introduce concepts they can learn with assistance. This can be done through cooperative learning groups with students at different ability levels helping each other, and by providing scaffolding to help students learn within their zone of proximal development, such as giving students more or less guidance on experiments based on their skills. Both technology and non-technological methods like group projects and interactions can be used to facilitate learning within a student's zone of proximal development.