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SECONDARY 3 G2 MATHEMATICS
Build exam-ready understanding for major secondary pathways.
DeepThink aligns to Upper Secondary outcomes and exam requirements while reinforcing essential prerequisites. Revision integrates concept consolidation with exam execution so students can perform under timed conditions.
Expansion of algebraic expressions (Recap)
Factorisation of algebraic expressions into the form (a + b)(c + d)
Addition and subtraction of algebraic fractions
Solving equations involving algebraic fractions
Manipulation of algebraic formulae
Solving quadratic equations by factorisation
Solving quadratic equations by completing the square
Solving quadratic equations using formula
Solving fractional equations reducible to quadratic equations
Solving quadratic equations by graphical method
Applications of quadratic equations in mathematical problems and in real-world contexts
Indices
Laws of indices
Zero and negative indices
Rational indices
Compound interest
Standard form
Length of a line segment
Gradient of a straight line
Equation of a straight line
Graphs of cubic functions
Graphs of reciprocal functions
Graphs of exponential functions
Gradient of a curve
Applications of graphs in real-world contexts
Trigonometric ratios
Applications of trigonometric ratios to find unknown sides of right-angled triangles
Applications of trigonometric ratios to find unknown angles in right-angled triangles
Applications of trigonometric ratios in real-world contexts
Sine and cosine of obtuse angles
Area of triangle
Sine Rule
Cosine Rule
Congruence and similarity
Similarity and enlargement
Bisectors and scale drawings
Upper Secondary G2 preparation focuses on consistent application and strategic revision for reliable exam performance.
Secondary 3 students in the G2 stream often face:
The syllabus expands significantly in Sec 3, with new topics like trigonometry, advanced algebra, and (for some streams) early calculus. Students who were comfortable before may suddenly feel stretched.
With competing revision priorities, students often struggle to maintain depth and consistency in Math preparation.
Exam questions combine multiple concepts, so students need both technical fluency and strategic planning.
Revision competes with many subjects; without clear prioritisation, important Math topics are often under-practised.
DeepThink supports Secondary 3 students in the G2 stream through targeted diagnostics, structured teaching, and strategic practice:
Our platform identifies chapter-level weaknesses early so students focus effort where it matters most.
We front-load the hardest new concepts with structured teaching and targeted practice, so students keep pace instead of falling behind as complexity increases.
DeepThink prioritises the topics and question types that most improve performance in exam settings.
Students and parents see what is secure, what needs reinforcement, and which topics should be prioritised next.
With consistent support, students can perform confidently in major examinations with a clear, repeatable strategy.
The details parents usually want before deciding whether to book a trial.
Targeted online practice with instant marking supports work between lessons.
DeepThink aligns to Upper Secondary outcomes and exam requirements while reinforcing essential prerequisites. Revision integrates concept consolidation with exam execution so students can perform under timed conditions.
Same fee across levels and streams.
Parents can see the teaching pace, structure, and student experience before committing.
These are the situations where extra support tends to make the biggest difference.
Sec 3 G2 demands application-level thinking that is significantly harder than Sec 2. Students who were previously comfortable often need support adjusting to the increased complexity and pace.
Sec 3 performance helps determine which exam your child should target. Consistent support ensures they are prepared for whichever pathway is most appropriate.
If your child struggles with quadratic equations, trigonometry, or coordinate geometry, it is usually because prerequisite skills from Sec 1-2 are not secure. We diagnose and fix these alongside current topics.
If any of these patterns sound familiar, this is likely the right level of support for your child — a trial class is a good next step.
Sec 3 G2 covers quadratic equations and functions, simultaneous equations in context, coordinate geometry, trigonometry applications, mensuration of complex shapes, and statistical analysis — all at exam-application level.
G2 students can prepare for either the O-Level or N(A)-Level examination depending on school assessment. Sec 3 content builds the skills required for both exam pathways.
The jump is significant. Sec 3 expects students to apply concepts in unfamiliar contexts, combine multiple topics in single questions, and work with greater precision. Students who were comfortable in Sec 2 often find Sec 3 challenging.
Sec 3 is for building topic mastery, not exam drilling. Students benefit more from deep understanding of each chapter first, with exam-style practice ramping up in Sec 4 when the full syllabus is complete.
G2 provides solid E-Math preparation when complemented with consistent practice and targeted gap-closing. Many G2 students achieve strong E-Math grades with the right support in Sec 3-4.
Current Sec 3 students are the first cohort sitting the Singapore-Cambridge SEC in 2027 — a single national exam replacing all three former leaving exams. G2 Math aligns to the former N(A) standard. All subjects appear on one unified certificate, and students can mix G-levels across subjects.
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