
What G1, G2, G3 Math and Additional Math Students Should Focus on Early
With O Level results released today, many families naturally turn their attention to the next cohort: students who are currently in Secondary 4 and will be taking their national examinations later this year.
Under Full Subject Based Banding, Mathematics is offered at G1, G2, and G3, and students who are ready for a stronger Mathematics track may also take G2 Additional Mathematics or G3 Additional Mathematics at upper secondary.
The most common reason students struggle in Sec 4 is not that they are weak in Mathematics. It is that they begin serious preparation too late. In the new syllabuses, topics are connected more tightly across levels, so small gaps in foundational skills can grow quickly into repeated mistakes in Algebra, graphs, and exam problem solving.
This guide summarises what each syllabus typically includes, what students should prioritise early, and how to plan the year so that revision is not rushed at the end.
Understanding the 5 Syllabuses at a Glance
MOE’s 2020 Full SBB Mathematics framework covers these syllabuses: G1 Mathematics, G2 Mathematics, G3 Mathematics, G2 Additional Mathematics, and G3 Additional Mathematics.
| Chapter / Topic | G1 Math | G2 Math | G3 Math | G2 Additional Math | G3 Additional Math |
|---|
| Numbers and operations (including indices, standard form) | Core | Core | Core | Assumed | Assumed |
| Ratio, proportion, rate and speed | Core | Core | Core | Supports modelling | Supports modelling |
| Algebraic expressions and formulae | Core | Core | Core | Heavy focus | Heavy focus |
| Linear equations and inequalities (including applications) | Included | Included | Included | Assumed | Assumed |
| Simultaneous equations | Basic (application) | Standard | Standard | Supports other topics | Supports other topics |
| Quadratic equations / quadratic functions | Included (core solving) | Included | Included | Major chapter | Major chapter |
| Functions and graphs | Basic graphs | Core graphs | Stronger graph work | Central for calculus | Central for calculus |
| Geometry and mensuration (areas, volumes, circles, solids) | Core | Core | Core | Limited | Limited |
| Trigonometry | Trigonometric ratios | Stronger trig use | Stronger trig + applications | Major chapter (graphs + identities) | Major chapter (more depth) |
| Coordinate geometry | Basic | Standard | Standard | Included (linearisation, graphs) | Included (more applications) |
| Transformations | Basic | Standard | Standard | Used for graph transformations | Used for graph transformations |
| Sets | Not typical | May appear depending on school track | Included | Assumed | Assumed |
| Matrices | Not typical | Not core (may be added for some pathways) | Included | Not core | Not core |
| Vectors | Not typical | Not core (may be added for some pathways) | Included | Assumed background | Assumed background |
| Statistics (graphs, averages, interpretation) | Core basics | Includes more advanced measures | Includes more advanced measures | Not core | Not core |
| Probability | Single events | Includes combined events | Includes combined events | Supports modelling | Supports modelling |
| Calculus (differentiation and integration) | Not included | Not included | Not included | Included | Included (more depth) |
| Exponential and logarithmic functions | Not typical | Not typical | Not typical | May appear depending on level and track | Included |
| Binomial expansion | Not included | Not included | Not included | May be limited | Included |
In general:
- G1 Mathematics focuses on practical mathematical literacy, strong basics, and confidence building.
- G2 Mathematics builds a wider foundation for higher study and supports students aiming for stronger academic pathways.
- G3 Mathematics is the most demanding Mathematics syllabus and supports students taking more advanced subjects later.
- G2 Additional Mathematics is an elective for students who want stronger algebra, functions, trigonometry, and calculus foundations.
- G3 Additional Mathematics is the higher Additional Mathematics track, supporting more advanced modelling, algebra, and calculus.
What Sec 4 Students Should Do Early
A practical Sec 4 plan is:
- Lock down Algebra and graphs early (this affects almost every paper).
- Clear weak foundational chapters first, not last.
- Shift from practice to exam performance by mid-year: speed, accuracy, method marks, and common traps.
- Use timed papers nearer to the exams, but only after concepts are stable.
Early Call: Start Strong with MuscleMath Tuition
If you are aiming to do well this year, the best time to start is not after prelims. Starting early gives you time to:
- Fix foundational gaps before they become repeated exam mistakes
- Build confidence in algebraic manipulation and graph interpretation
- Learn a consistent method for tackling structured and application questions
- Practise in exam conditions gradually, instead of cramming papers at the end
At MuscleMath, we also adjust support depending on the student’s current level, whether they are taking G1, G2, G3, or Additional Mathematics, so struggling students get extra help where needed, and stronger students get stretched properly.