(a) 為小學提供有關數學教育校本課程發展的到校支援服務； (b) 發展有效的學與教和評估策略及課程資源，提升學生的學習成效； (c) 發展和提升課程領導者的專業能力，並為學校舉辦專業發展活動，以促進校本課程發展； (d) 推廣學校在校本課程發展及支援服務方面的有效做法； (e) 協助學校把學生學習的顯證轉化成概念，以獲取在校本課程的策劃、教學、學習和評估方面的實際情境知識； (f) 協助處理組內的行政工作；以及 (g) 需要時執行其他獲指派的職務。

(a) To render on-site support services in primary schools for school-based curriculum development in Mathematics; (b) To develop effective learning, teaching and assessment strategies and curriculum resources in enhancing student learning; (c) To develop and enhance the professional capacity of curriculum leaders and to organize professional development activities for school personnel to facilitate school-based curriculum development; (d) To disseminate effective practices of schools in developing school-based curriculum and support service; (e) To facilitate the conceptualisation of evidence-informed practices to generate contextual knowledge in school-based curriculum planning, teaching, learning and assessment; (f) To assist in administrative duties of the Section; and (g) To perform any other duties assigned as and when required.