Concept:Progressive education emphasises learning by doing, active participation, and collaborative work. It values both individual and group activities over rote memorisation and single-mode assessment.Explanation:In a progressive classroom, children learn through hands-on experiences. They work both independently and in groups to solve problems. Rote memorisation and textbook-only learning are discouraged. Assessment is continuous and includes many forms, not just paper-pencil tests. The teacher acts as a facilitator. Children are encouraged to think critically and develop social skills. This matches the option where children work both individually and in groups.Answer:Option C: children work both individually and in groups.