1. Teaching involves engaging students in activities to acquire knowledge, skills, and values through interaction between the teacher, student, content, and strategies. It is both a science and an art.
2. Key factors in the teaching-learning process are the teacher, student, content/strategies, and their interplay. The teacher selects appropriate content and strategies while the student's background and characteristics influence learning.
3. Effective instruction follows principles such as learning being student-centered and discovery-based, experience-driven, collaborative, evolutionary, and addressing individual differences through various intelligences and learning styles.