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Upper Secondary G3 Mathematics resources
Study and revision tools for Sec 3–4 G3 Mathematics / O-Level G3 Math. Choose a topic, check a recurring mistake or prepare for papers.
Exam references keep their historical labels: 2026 Mathematics (4052) and 2027 G3 Mathematics (K310).
Where are you right now?
TYS STRATEGY
I’m doing TYS
Use topical questions to repair a gap, then yearly papers for pacing.
Choose topical or yearly TYSERROR CHECK
I keep making careless mistakes
Spot whether slips repeat, then use a routine to check your working.
Build a checking routineTOPIC REVIEW
I need to relearn a topic
Revisit one method with a worked guide and practice checks.
Browse the topic guidesTARGETED PRACTICE
I need more practice
Choose a practice pack for the topic you want to strengthen.
Compare G3 Math practice packsEXAM STAGE
I’m close to the exam
Compare both papers, then practise switching methods under time.
Compare Paper 1 and Paper 2Practice and paper resources
From quick maths checks to prelim-paper breakdowns, find free resources that help you spot mistakes, strengthen weak areas and practise with confidence.
- Upper Secondary G3 Math — Mixed Check #01Think you know which method to use? These mixed questions won't tell you the topic first.
- NCHS 2026 Prelim P1 — BreakdownUnpack six selected questions from Nan Chiau High School’s 2026 Preliminary Examination, Paper 1, with worked reasoning, common sticking points and ways to check your approach.
- NCHS 2026 Prelim — Repair Set #01Finished the NCHS paper breakdown? Try six original Mentora questions built around the mathematical skills and sticking points it uncovered.
- G3 Math — Final Push Mini CheckSeven questions. Mixed topics. No chapter hints. Find out which skills still need another look.
Check yourself
Check understanding with a Mistake Finder.
- INTERACTIVE CHECK
Algebra Mistake Finder
8 questionsSigns and structure. - INTERACTIVE CHECK
Numbers, ratio & percentage Mistake Finder
8 questionsRatio and percentages. - INTERACTIVE CHECK
Graphs & coordinates Mistake Finder
8 questionsCoordinates and gradients. - INTERACTIVE CHECK
Trigonometry Mistake Finder
8 questionsRatios and rules.
Learn by topic
Number & Algebra
- TOPIC GUIDENumbers and Operations
- TOPIC GUIDERatio and proportion
- TOPIC GUIDEPercentage
- TOPIC GUIDERate and Speed
- TOPIC GUIDEFactorisation
- TOPIC GUIDEAlgebraic fractions
- TOPIC GUIDEQuadratic equations
- TOPIC GUIDEFunctions and graphs
- TOPIC GUIDEIndices
- TOPIC GUIDESimultaneous equations
- TOPIC GUIDELinear inequalities
- TOPIC GUIDESets and Venn diagrams
- TOPIC GUIDEMatrices
Geometry & Measurement
- TOPIC GUIDEAngles, Triangles and Polygons
- TOPIC GUIDECircle properties
- TOPIC GUIDETrigonometry
- TOPIC GUIDEMensuration
- TOPIC GUIDECoordinate geometry
- TOPIC GUIDEVectors
- TOPIC GUIDESimilarity and congruence
Statistics & Probability
Interpret data and probability errorsBrowse all topics →Formula reference Printable revision checklist 22 Mentora topic guides · Selected syllabus coverageSyllabus and topic scope
Printed Practice Packs
More practice for the topics you want to strengthen.
