21st Century Skills include the 3R's (Reading, 'Rithmetic, 'Riting), 7C's (Creativity, Communication, Collaboration and leadership skills, Critical thinking, Commitment, Character, Computational Thinking), and the 7 domains of the Philippine Professional Standards of Teacher (Content knowledge and pedagogy, Strategies for promoting literacy and numeracy, Mother Tongue, Filipino, and English in teaching and learning, Understanding and remembering what language was exposed to the students.