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Key Stage

♦ Primary 3 - 6        ♦ Secondary 1 - 2


♦ Mathematics Education


Introduction: Daily logic thinking and problem-solving boost for young learners

Learnlex is an interactive Mathematics learning platform. It enhances young learners' logical thinking and problem-solving skills through systematic daily practice. Performance data analyses effectively help teachers improve learning and teaching.


Features in Learning and Teaching

  • Suitable for Hong Kong learners: materials are derived by educators in England   and designed to fit Hong Kong’s Mathematics syllabus, and the questions are compatible to the World Class Tests

  • Tracking learners' progress: teachers can grasp learners' performance through reports and analyses, as a reference for planning

  • Learning support: learning objective and solution assist self-directed learning, and Performance Summary helps learners understand their strengths

  • Flexibility in teaching progress: based on the teaching schedule, teachers may define the start and end time for each topic unit

  • Language support: traditional Chinese, simplified Chinese and English display are available


Support platform

Web and iPad

Browse by Web


Official Website



eREAP 2019/20 Briefing Session

Speaker: Ms Wan Hiu Yin, Mathematics Curriculum Developer, The Church of Christ in China Heep Woh Primary School


Learning & Teaching Expo 2017 - Empower Innovation Classroom by Embedding Innovative eResources

Speakers: Mr Kwok Man Chiu, Primary School Master (Curriculum Development), Ms Tsui Wai Ming, Mathematics Subject Panel, C & M A Sun Kei Primary School


1. How do teachers and students log in?

Click ‘Login with EdCity’ at Learnlex website. In the popup window, enter EdCity login name and password, then click ‘Sign In’.

2. Any special points to note for first time login?

Before proceeding, authorise EdCity to permit Learnlex accessing your profile, which will last until 31 Aug of the school year.

Students must login and accept terms mentioned in (i) before teachers could see them in the teacher’s user interface.

3. What support platforms available?

Learnlex is available on web.


4. What are the steps to add new teacher or student accounts?

Please advise your School Administrator to update teacher or student account information in EdCity’s School Accounts Administration System. Then, kindly send email to ereap@edcity.hk for reference.

Learning and Teaching

For teachers

5. Can I create custom group?

Click ‘GROUPS’ and ‘Create Group’. Enter Group name and click ‘Submit’. Click the pencil icon to Assign Schedule and Add Student to your group.

6. Can I schedule questions for my class or group?

Click ‘QUESTION SCHEDULES’ and ‘Create Question Schedule’. Enter Schedule Name and click ‘Next’. Select question and click the pencil icon to add question. Press ‘Save’ when you are done.

7. How do I assign schedule questions?

Click ‘GROUPS’ and Click the pencil icon next to the group you wish to assign. Assign Schedule to a Group or Class. Press ‘Update’ when you are done.

8. What are the difference between Group and Class Performance Reports?

Performance Reports > Group > Choose Group > View Average Of Completion and Average Of Average Score (set period of time on top right hand corner), teachers can view reports based on all students, a student or questions

Performance Reports > Class > Choose Class > View progress of specific and custom questions (set period of time on top right hand corner), teachers can view reports of each student

Teaching Ideas

Teaching resources could be found here to help teachers kick off using eResources in learning and teaching, and experience the benefits.

Teaching Idea: Directed numbers

‘Two positives make a positive’, ‘two negatives make a positive’… do your students easily feel confused on directed numbers? With Learnlex’s questions being introduced in lessons, students’ motivation and understanding toward directed number could be strengthen through visualisation of concepts.

[Download Teaching Idea]