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Problem-based learning (PBL) is a teaching method in which students learn about a subject through the experience of solving an open-ended problem found in trigger material. The PBL process does not focus on problem solving with a defined solution, but it allows for the development of other desirable skills and attributes.
Challenge-based learning (CBL) is a framework for learning while solving real-world Challenges.The framework is collaborative and hands-on, asking all participants (students, teachers, families, and community members) to identify Big Ideas, ask good questions, discover and solve Challenges, gain in-depth subject area knowledge, develop 21st-century skills, and share their thoughts with the world.
The online learning algorithms, on the other hand, incrementally build their models in sequential iterations. In iteration t, an online algorithm receives a sample, x t and predicts its label ลท t using the current model; the algorithm then receives y t, the true label of x t and updates its model based on the sample-label pair: (x t, y t).
As practiced in K-12 education in the United States, practice-based professional learning develops and integrates a school's use of curriculum and assessment, instructional leadership, and professional learning communities (PLCs) to create a system-wide shift in day-to-day classroom instruction. [8]