Math CLM is an animated bilingual “Concept + Language Mapping” (CLM) (Lin, 2018; He & Lin, 2019) digital application supports students’ cross-linguistic and cross-modal transfer of prior math learning in a Content and Language Integrated Learning (CLIL) context which is funded by the Quality Enhancement Support Scheme (QESS) of the Self-financing Post-secondary Education Fund (SPEF). It provides a platform for students to review the mathematical concepts learnt in HKDSE through a CLIL approach, and under this approach language and mathematical concepts can be learnt together.Features:- “Content + language mapping” diagrams- Revision of math concepts in HKDSE- Step-by-step approach to math problem solving- Chinese/English learning support- Self - Practice Questions- Glossary (English and Chinese)