sec1 number pattern answer homework

I am a Math Tutor and a Private School Teacher. I have a Bachelor of Science (Math) (Merit)(Singapore), a Business Degree and I am currently pursuing a Master Degree in Education (Part-Time). I have a total of 21 years experience tutoring secondary school students. I specialize in tutoring Singapore syllabus O-Level Elementary Math (E-Math), Additional Math (A-Math) and Sec 1 and 2 Math. From 2019. I offer Small Group Tuition in Woodlands and Johor Bahru. My students reside in the North i.e. Sembawang, Choa Chu Kang, Yishun, Yew Tee, Admiralty and of course Woodlands