(a)協助發展及評鑑數學課程的實施情況；
(b)協助策劃、籌辦和提供中小學數學教師在職專業發展課程，以促進數學課程的實施；並協助推廣科學、科技、工程、藝術及數學 (STEAM)教育；
(c)策劃及推行「種籽」計劃、學習小組或其他學校協作計劃，以推展中學數學課程和STEAM教育；
(d)協助發展學與教資源，以支援數學課程的推行及推廣STEAM教育；
(e)為數學教育和STEAM教育籌辦學生活動；
(f)就所有與數學相關的事項向學校提供意見，並進行課程探訪的工作；
(g)評審數學和STEAM教育的數學教科書和教材套；
(h)提供與學科相關的專業服務，並參與教育局內外與學科相關的委員會和工作小組；
(I)執行與數學教育組日常運作有關的行政職責；以及
(j)執行上司委派的其他職務。

(a) To assist in developing and evaluating the implementation of the Mathematics curriculum;
(b) To assist in planning, organising and providing in-service professional development programmes for primary/secondary mathematics teachers to facilitate the implementation of the Mathematics curriculum and the promotion of Science, Technology, Engineering, Arts and Mathematics (STEAM) education;
(c) To plan and conduct "Seed" projects, study groups or other school-collaborative projects for the development of secondary Mathematics curriculum and STEAM education;
(d) To assist in developing learning and teaching resources to support the implementation of the Mathematics curriculum and the promotion of STEAM education;
(e) To organise student activities for Mathematics education and STEAM education;
(f) To advise schools on all mathematics-related matters and to carry out curriculum visits to schools;
(g) To review Mathematics textbooks and learning packages in Mathematics and STEAM education;
(h) To provide subject-related professional services and to participate in subject-related committees and task groups within and/outside the Education Bureau;
(i) To perform administrative duties related to the day-to-day operation of the Mathematics Education Section; and
(j) To perform any other duties as assigned.