This material has been developed for the implementation of K-12 Curriculum through the Curriculum Implementation Division (CID)—Learning Resource Management and Development System (LRMDS). This work was made possible with the financial assistance as well as the moral assistance from the teachers of Department of Education Schools Division of Kalinga. It is written by Edgar Zyryll C. Gaffud II which is intended for Grade 9 learners to improve their performance specially in TLE Masonry.
