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Key Stage: 
Primary 1 - 3
Primary 4 - 6
Secondary 1 - 3
Mathematics Education

Key Stage

♦ Primary 1 - 3        ♦ Primary 4 - 6        ♦ Secondary 1 - 3


♦ 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.

Introduction of Learnlex and Twig

  • Ms Evelyn Li, Senior Education Consultant, Trumptech (Hong Kong) Ltd.

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

  • Daily momentum: every day learners can challenge themselves with questions of various difficulty according to their needs, and build logical thinking ability gradually

  • 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: teachers could arrange question order using 'Teaching Kit' to fit learners' needs

  • Gamification elements: hidden characters, monthly ranking and other interesting features attract learners' to actively engage on the platform

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


Demo Video


Support platform

Browse by Web


Official Website




1. User Guide of Teacher Account 

2. Curriculum Overview 

3. Creating Question Schedule


4. Creating assignment


5. Viewing report 



1. User Guide of Student Account 

2. Choosing Questions

3.  Viewing Reports

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

Learnlex Refresher Training Workshop and Community Building Activity

Date: 15th November, 2018 (Thursday)
Time: 4:00 pm - 5:30 pm
Speaker: Ms Yoky Tsang (Representative from Learnlex, Curriculum Consultant, Trumptech (Hong Kong) Ltd)



Learnlex Training Workshop Review

Date: 8th September, 2017 (Friday)

Time: 3:30pm - 5:30pm


1. How do teachers and students log in?

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

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

Before proceeding, authorise HKEdCity to permit Learnlex accessing your profile, which will last until 31 Aug 2019.

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 HKEdCity’s School Accounts Administration System. Then, kindly send email to ereap@hkedcity.net 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


Higher order thinking skills and logical thinking strategies could be developed through constant practices on Learnlex, the specially designed mathematical problem-solving platform. The assigned questions on Learnlex every day help students to learn at their own pace, and they are possible of becoming one of the ‘Monthly Stars’ soon!


Monthly Star Result announcement

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]

Teaching Idea: Holiday Assignment Creation

When entering long holidays, teachers usually have to assign holiday exercises to students. This teaching idea aims to provide teachers a convenient, time-saving and follow-up easy way to assign exercises, in order to enhance the effectiveness of learning and teaching of the holiday exercises.

[Download Teaching Idea]

Teaching Idea: Learnlex and the Polya’s Problem Solving Cycle

Learnlex is an interactive Mathematics learning platform for students to develop flexibility in problem solving. Students are advised to spend around 15 minutes only to solve each problem with their logic thinking and problem-solving skills. In other words, they are learning to apply the strategies of the Polya’s Problem Solving Cycle.

[Download Teaching Idea]