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Primary Maths App for 21st Century Skills


Your child will be competing in a global knowledge economy. That's why our curriculum design approach relies on blending national curriculum requirements with the international framework for assessment in mathematics, known as PISA.


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Our aspirational vision for mathematics learning in 60 seconds










PISA Mathematics Framework


Singapore has consistently outperformed larger nations in PISA mathematics assessments. Singapore's approach to mathematics encourages creativity, generating flexible thinkers with 21st century skills.




Raising Standards

The Programme for International Student Assessment (PISA) from OECD considers the essential mathematical skills of a 21st century prepared mathematician. PISA measures 15-year-olds’ ability to use their reading, mathematics and science skills to meet real-life challenges. Mapping existing skills to this framework serves as a starting point to upgrade mathematics education to better prepare students for the demands they will face in the future.

PISA 2021 Mathematics Framework

Building Blocks of Modern Mathematics Learning












Outnumber Primary Module


The learning outcomes are researched and curated from leading national curriculums and adapted to PISA concepts of 21st century skills and context-rich learning. With a best-of-breed approach, we aim to deliver a learning experience that is internationally competitive.




Enriched Curriculum


We researched the national curriculum contents of eight countries and developed a microlearning module using the PISA framework that emphasises number sense and mathematical reasoning. We believe existing curriculum contents can be enriched through continuously exploring and experimenting at the frontiers of content design, educational technology and psychology. The project is continuously evolving with an ambitious pipeline of functionalities and learning contents.

The Outnumber Curriculum Approach

The Outnumber Curriculum Approach




Learn through context-rich problems on broad and balanced contents










Alignment with UK School Years and International Grades


The learning levels are aligned with UK school years and international grades to benefit both homeschooling parents and classroom teachers who want to use Outnumber to supplement existing materials.





The Outnumber Curriculum Approach










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