Challenge-Based Learning is "an engaging multidisciplinary approach to teaching and learning that encourages students to leverage the technology they use in their daily lives to solve real-world problems through efforts in their homes, schools and communities." Place-based Education "immerses students in local heritage, cultures, landscapes, opportunities and experiences; uses these as a foundation for the study of language arts, mathematics, social studies, science and other subjects across the curriculum, and emphasizes learning through participation in service projects for the local school and/or community." Activity-Based Learning takes a kind of constructivist approach, the idea being students constructing their own meaning through hands-on activities, often with manipulatives and opportunities to.