CheriMathLab Library

56 topics · 533 problems · Grade 1 → Olympiad

Topic guides, grade-level packs (Grade 1-12), exam prep (JEE, SAT, ACT, NTSE, NEET, AMC 8), olympiad sets, math + science cheat sheets, CS algorithms, statistics, ML primer, proof-writing, plus CBSE & Common Core curriculum maps, all in one place.

10 topics · 120 problems · Physics, Chemistry, Biology & more

Natural sciences spanning mechanics, electromagnetism, thermodynamics, quantum physics, chemistry, optics, astronomy, biology, environmental science, and data science.

18+ guides · IMO · BMO · SMO · AMC AU · USAMO · IPhO · IChO

Comprehensive olympiad preparation with real exam papers (2021-2025), practice problems, and strategy guides for math, physics, and chemistry competitions, including UK BMO, Singapore SMO, and Australian AMC.

Full JEE Main / Advanced & NEET mock papers · 60 questions · Timed · +4 / -1 marking

Sit a full-length JEE / NEET mock paper: 3 subject sections of 20 questions, one timer, +4 for a correct answer and -1 for a wrong one. Submit for instant server-side scoring, then review every question with a worked solution. One attempt per paper, just like the real exam.

Digital SAT practice · Math + Reading & Writing · Timed · Badges + XP

Original SAT-style practice papers for the Digital SAT. Take a timed Math or Reading & Writing module, submit for instant scoring, then review every answer with worked explanations. Earn badges and XP, up to 3 attempts per paper.

AP STEM official links · Original AP mocks · Mock-test blueprints · 2000+ prompts

Everything for College Board AP STEM exams: official AP Central links per course, original CheriMathLab AP-style mock tests, mock-test blueprints showing how each one is structured, plus a 1000-prompt AP/Olympiad/Science vault and a 1000-prompt Grade 1-12 expansion bank for cross-level prep. Olympiad past papers live under Olympiad Prep above.

IELTS Reading & Writing practice · Academic · Timed · Badges + XP

Sit a timed IELTS Reading or Writing paper, submit for instant scoring, then review every question with the correct answer and an explanation. Reading groups the questions under each passage, and Writing drills linking words, formality, collocation, describing data, cohesion and sentence correction. Up to 3 attempts per paper, with a band estimate only on a full 40-question Reading form.

22 universities · 8800 prompts · US, UK, Singapore, Switzerland

University-specific interview practice prompts covering personal story, academic depth, technical thinking, ethics, leadership, resilience, and program fit. Ivy League, MIT, Stanford, Caltech, UChicago, Berkeley, plus international: NUS (Singapore), Imperial College London (UK), ETH Zurich (Switzerland).

97 guides · AI · Software · Robotics · STEM in Industry

Four connected sections: 29 responsible-AI guides for students/teachers/parents, 32 software engineering guides (programming, frontend, backend, DevOps, cloud), 20 robotics guides (electronics, mechanical, sensors, control, AI, projects, careers), and 16 STEM-in-industry career maps (healthcare, finance, energy, aerospace, sports, and more).

26 guides · STEM · Engineering · Research

Three connected sections: 7 general STEM guides (roadmap, project ideas, lab safety, measurement), 8 engineering guides (branches, design process, electronics, robotics, CAD), and 11 research guides (methodology, literature review, paper writing, science fair, statistics, patents).

8 guides · Habits · Careers · Scholarships · Money · Safety

Eight practical guides for skills schools rarely teach directly: study habits, career discovery, scholarships & competitions, projects & portfolio, communication & leadership, financial literacy, digital safety, and how parents & teachers can help.

Comprehensive question banks

Explore our existing collection of curated question banks including CEX Maths & Science Q&A and 320+ MIT-Level Questions.