This textbook series is designed to develop understanding and appreciation among junior high school learners of the key concepts and skills involving numbers and number sense. They will
particularly learn about the concepts in algebra, geometry, and statistics and probability. Written by respectable and efficient authors, this series will help high school students to view mathematics in a different perspective, allowing them to understand the use of mathematics in critical thinking, problem solving, communicating, reasoning, making connections, representations, and decision-making in real life.
Mathematics in Detail 9
by Ramon B. Cristobal and Yonardo A. Gabuyo