Mark Anthony Llego

Grade 9 PE Quarter 4 Module 1 on active recreation: badminton, bowling, dance, hiking, and biking, with activities, a post-test, and answer keys.

Grade 9 Music Q4 Module 5 on Romantic vocal music: art song, opera parts, voice types, and how to evaluate performances by Schubert, Verdi, and Puccini.

Grade 9 Music Quarter 4 Module 4 on opera and improvisation, with Romeo and Juliet soliloquies, Libiamo and La donna è mobile tasks, and an answer key.

Grade 9 Music Q4 Module 3 covers Romantic art songs, opera, famous composers, voice types, and singing melodic fragments from Verdi and Bizet.

Grade 9 Music Q4 Module 2 teaches bel canto singing and guides learners to perform excerpts of three opera arias, with a crossword test and answer key.

Grade 9 Music Q4 Module 1 explains the plot, musical and theatrical elements of opera, with Verdi, Puccini, Wagner, Bizet and an answer key.

Grade 9 Math Quarter 4 Module 9 teaches how to solve word problems on oblique triangles using the Law of Sines and Law of Cosines, with an answer key.

Grade 9 Math Q4 Module 8 explains the Law of Cosines, how to solve SAS and SSS oblique triangles, worked examples, practice problems, and answer keys.

Grade 9 Math Quarter 4 Module 7 explains the Law of Sines, solving oblique triangles given ASA, SAA, or SSA, and the ambiguous case, with answer key.

Grade 9 Math Q4 Module 6 teaches how to use trigonometric functions to solve real-life right triangle problems, including angles of elevation and depression.