This worktext aims to align the teaching of The Child and Adolescent Learners and Learning Principles with the new teacher education curriculum that is anchored on the Philippine Professional Standards for Teacher. The Worktext makes use of collaborative, interactive and "hands-on-mind-on" metacognitive activities. These activities also serve as reflective education, multiple intelligences, and multicultural education, interactive and brain-based teching, constructive teaching-learning and authentic assessment.