Learning Hub
Free revision material put together by our tutors and arranged subject by subject — mathematics, the sciences, and the language centre.
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Mathematics
គណិតវិទ្យាChoose a grade to see its lessons and exercises.
Mathematics Grade 12
Every Grade 12 chapter, plus the formula book.
Grade 12 Formula Complex Numbers Limits Derivatives Functions Conics Vectors in Space Integrals Differential Equations ProbabilityMathematics Grade 9
Algebra, geometry and trigonometry for the Grade 9 exam.
Maths for Kindergarten
Numbers, shapes and the clock for ages 4–6, read aloud.
Mathematics — Grade 12
គណិតវិទ្យា ថ្នាក់ទី១២Every Grade 12 chapter: a lesson, worked examples and exercises.
Grade 12 Maths Formulas
Every Grade 12 formula in one Khmer reference book.
OpenComplex Numbers — lesson & exercises
The full chapter, then 40 exercises with past exam questions.
OpenLimits of Functions — lesson & exercises
Limit laws and continuity, then 51 questions and exercises.
OpenVectors in Space — lesson & questions
Lines, planes, dot and cross product, then 43 questions.
OpenConics — lesson & exercises
Parabola, ellipse and hyperbola, then 55 exercises.
OpenFunctions — lesson & exercises
Studying and sketching a function, then 33 exercises.
OpenDerivatives — lesson & exercises
Rules and standard derivatives, then 13 exercises.
OpenIntegrals — lesson & exercises
Integration methods and area, then 28 exercises.
OpenDifferential Equations — lesson & exercises
First and second order, then 98 exercises and every BaccII question.
OpenGrade 12 Probability — lesson & exercises
Counting and probability, then 108 exercises.
Past exam papers
Worked solutions to recent national exam papers.
Cambridge Curriculum
កម្មវិធីសិក្សា ខេមប្រ៊ីជThe Cambridge programme stage by stage, taught in English.
Lower Secondary — Stage 7
All 30 maths units with summaries and graded exercises.
Mathematics Stage 7Lower Secondary — Stage 8
The second year of Cambridge Lower Secondary maths.
Lower Secondary — Stage 9
The final year, leading to the Checkpoint tests.
Oxford Primary Years Programme
កម្មវិធីបឋមសិក្សា អុកហ្វតOxford Mathematics for the IB Primary Years, year by year.
International Primary Maths 1
All 12 units, from counting to block graphs, with answers.
Primary Maths 1 OpenPrimary Years Programme 4
All 10 maths units with practice and answers.
Mathematics 4Primary Years Programme 5
The Year 5 student book.
Primary Years Programme 6
The final primary year.
Cambridge Lower Secondary — Stage 7
ខេមប្រ៊ីជ អនុវិទ្យាល័យ ដំណាក់កាលទី៧The first year of Cambridge Lower Secondary, age 11–12.
Mathematics Stage 7 — summaries & exercises
All 30 units: summaries, worked examples and graded exercises.
Science Stage 7
Biology, chemistry and physics for Stage 7.
English Stage 7
Reading, writing, speaking and listening for Stage 7.
Oxford PYP — Primary Years Programme 4
អុកហ្វត PYP ៤Year 4 of the Primary Years Programme, age 9–10.
Mathematics 4 — lessons & practice
All 31 topics with practice you can type into and print.
Practice & Mastery 4
Extra activities and real-world problems.
Physics
រូបវិទ្យាFormula sheets and constant tables. In preparation.
Grade 12 Physics formulas
Mechanics, waves, optics and electricity.
Constants & units
SI units, prefixes and exam constants.
Chemistry
គីមីវិទ្យាThe periodic table and the full chemistry reference sheet.
Periodic Table of the Elements
All 118 elements, colour-coded, with the chemistry reference.
Grade 9 Chemistry basics
Atoms, bonding, equations and the mole.
Reaction practice
Balancing and stoichiometry drills with answers.
Biology
ជីវវិទ្យាSummary notes with labelled diagrams, tables and a quick check.
Language Centre
មជ្ឈមណ្ឌលភាសាChoose a language to see its lessons and tests.
English
From the alphabet to tenses, grammar and exam vocabulary.
English for Kindergarten English Tenses Grammar Notes OpenChinese
From first characters to pinyin, conversation and HSK tests.
Chinese for Kindergarten Chinese for Beginners Chinese–English Daily Conversation HSK 1 OpenKhmer
From the first letter to speaking and the national exam.
Khmer for Kindergarten Khmer literature notesEnglish
ភាសាអង់គ្លេសGrammar, tenses and vocabulary, with tests.
English for Kindergarten
Letters, numbers and first words for ages 4–6, read aloud.
OpenEnglish Tenses — full practice course
All 12 tenses, with three levels of tests for each.
OpenGrammar notes
Rules, examples and a timed test for every chapter.
IELTS vocabulary builder
Academic word lists with example sentences.
Chinese
ភាសាចិនMandarin from the first character, with audio and HSK tests.
Chinese for Kindergarten
First characters, tones and words for ages 4–6, read aloud.
OpenChinese for Beginners
Pinyin, tones, writing and everyday conversation, with audio.
OpenChinese–English Daily Conversation
100 everyday conversations with pinyin, audio, quizzes and role-play.
OpenHSK 1 — chapter tests
15 chapter tests and a final paper, with every answer explained.
HSK 2 — chapter tests
Chapter tests for HSK 2, up to 300 words.
HSK 3 to 6
Practice papers for the higher levels.
HSK vocabulary lists
HSK 1–4 word lists with pinyin, Khmer and audio.
Khmer
ភាសាខ្មែរKhmer from the first letter to the national exam.
Khmer Conversational Mastery
100 real-life conversations for foreigners and children.
OpenKhmer for Kindergarten
Consonants, vowels and first words for ages 4–6.
Khmer literature notes
Set texts, essays and grammar for the national exam.
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