SECONDARY 2 G2 MATHEMATICS

Strengthen core concepts and prepare confidently for progression.

Secondary 2 G2 stream focuses on balanced conceptual understanding across algebra, geometry, and data handling. Secondary 2 is a consolidation year where gaps from Sec 1 compound and students must solidify foundations before Upper Secondary. These students will sit the Singapore-Cambridge SEC exam — a single national exam that replaces all three former secondary leaving exams (O-Level, N(A)-Level, N(T)-Level).
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Syllabus

What we cover

Chapters14
Sub-topics50

DeepThink aligns to MOE Lower Secondary expectations while adapting pacing and scaffolding for this stream. Teaching balances conceptual clarity with steady progression so students stay secure as complexity increases.

Chapter 1Linear Expressions, Linear Equations and Simple Inequalities

  • Linear expressions
  • Linear expressions with fractional coefficients
  • Linear equations with fractional coefficients and fractional equations
  • Solving simple linear inequalities

Chapter 2Linear Functions and Graphs

  • Cartesian coordinates
  • Linear functions
  • Applications of linear graphs in real-world contexts

Chapter 3Simultaneous Linear Equations

  • Graphs of linear equations in the form ax + by = k
  • Solving simultaneous linear equations using graphical method
  • Solving simultaneous linear equations using algebraic methods
  • Applications of simultaneous equations in real-world contexts

Chapter 4Expansion and Factorisation of Algebraic Expressions

  • Addition and subtraction of quadratic expressions
  • Expansion of algebraic expressions of the form (a + b)(c + d)
  • Expansion of quadratic expressions
  • Factorisation of linear expressions
  • Factorisation of quadratic expressions

Chapter 5Expansion and Factorisation using Special Algebraic Identities

  • Expansion using special algebraic identities
  • Factorisation using special algebraic identities

Chapter 6Algebraic Fractions

  • Algebraic fractions
  • Multiplication and division of algebraic fractions

Chapter 7Direct and Inverse Proportions

  • Direct proportion
  • Algebraic and graphical representations of direct proportion
  • Other forms of direct proportion
  • Inverse proportion
  • Algebraic and graphical representations of inverse proportion
  • Other forms of inverse proportion

Chapter 8Polygons and Geometrical Constructions

  • Quadrilaterals
  • Geometrical constructions of triangles and quadrilaterals
  • Polygons

Chapter 9Congruence and Similarity

  • Congruent figures
  • Similar figures
  • Similarity and map scales

Chapter 10Pythagoras' Theorem

  • Pythagoras' Theorem
  • Applications of Pythagoras' Theorem in real-world contexts
  • Converse of Pythagoras' Theorem

Chapter 11Volume and Surface Area of Pyramids, Cones and Spheres

  • Volume and surface area of pyramids
  • Volume and surface area of cones
  • Volume and surface area of spheres
  • Volume and surface area of composite solids

Chapter 12Probability of Single Events

  • Probability experiment and sample space
  • Probability of single events
  • Further examples of probability of single events

Chapter 13Statistical Diagrams

  • Dot diagrams
  • Histograms for ungrouped data
  • Stem-and-leaf diagrams
  • Histograms for grouped data

Chapter 14Averages of Statistical Data

  • Mean
  • Median
  • Mode
  • Measures of central tendency
Note

Lower Secondary G2 students benefit most from consistent practice that builds understanding before upper-level exam preparation.

Common challenges at this level

Secondary 2 students in the G2 stream often face:

Gaps from Sec 1 compounding quietly

Topics introduced in Sec 1 are now assumed knowledge. Students who moved on without fully understanding algebra, ratios, or equation-solving find that these gaps make every new topic harder.

Keeping pace as abstraction increases

Students can fall behind when routine methods become less effective and questions demand stronger reasoning.

Applying concepts in unfamiliar contexts

Students may understand procedures but struggle when problems are presented in unfamiliar multi-step formats.

Managing consistency across subjects

With more subjects and deadlines, students can lose momentum without focused, guided practice.

How DeepThink helps Sec 2 G2 students

DeepThink supports Secondary 2 students in the G2 stream through targeted diagnostics, structured teaching, and strategic practice:

Diagnose and close gaps quickly

Our platform identifies chapter-level weaknesses early so students focus effort where it matters most.

Close Sec 1 gaps before they widen

Diagnostics identify exactly which Sec 1 foundations are shaky, and we reinforce them alongside current topics so students enter Upper Secondary on solid ground.

Targeted support to secure progression

We identify chapter-level weaknesses early and reinforce them before they affect future Upper Secondary topics.

Track progress with clear next steps

Students and parents see what is secure, what needs reinforcement, and which topics should be prioritised next.

With consistent support, students can enter Upper Secondary ready for more demanding applications and exam pathways.

Program facts

What families should know about Secondary 2 G2 support

The details parents usually want before deciding whether to book a trial.

Lesson format

Weekly 1.5-hour live online class

Targeted online practice with instant marking supports work between lessons.

Class size

Maximum 4 students

Students are grouped by learning pace, not just by level — if no existing session matches your child’s pace, we open a new one.

Syllabus focus

MOE Secondary Mathematics

Full curriculum and chapter list shown in the syllabus section above.

Pricing

$50 per live class

Same fee across levels and streams.

Trial

Free trial class available

Parents can see the teaching pace, structure, and student experience before committing.

Best fit

Secondary 2 G2 students who need weekly support matched to their exact stream and exam syllabus.

Decision support

When Secondary 2 G2 support is the right fit

These are the situations where extra support tends to make the biggest difference.

Your child's Sec 1 gaps are affecting Sec 2 performance

Sec 2 G2 topics build directly on Sec 1 foundations. If algebra, equations, or ratios from Sec 1 are shaky, every new Sec 2 topic becomes harder than it needs to be.

Streaming or subject combination decisions are approaching

Sec 2 performance often determines Upper Secondary stream placement and subject options. Consistent support now can influence these important decisions positively.

Your child is aiming for O-Level E-Math eligibility

G2 students who demonstrate strong and sustained improvement may be considered for O-Level E-Math. Building exam-ready skills in Sec 2 makes this pathway more achievable.

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.

Frequently asked questions

Clear answers for parents

What topics does Sec 2 G2 Math cover?

Sec 2 G2 covers algebraic manipulation, quadratic expressions, simultaneous equations, geometric properties, coordinate geometry, Pythagoras' theorem, trigonometric ratios, probability, and statistical analysis.

Is Sec 2 the right time to decide between G2 and G3?

Sec 2 performance often determines Upper Secondary stream placement. If your child is consistently strong, a move to G3 broadens exam options (including A-Math). Consistent G2 performance also prepares well for the SEC exam at the G2 level.

How does Sec 2 G2 prepare for Upper Secondary exams?

Sec 2 G2 builds the algebraic, geometric, and data-handling foundations that Upper Secondary exam topics directly extend. Weak Sec 2 understanding in any of these areas creates compounding difficulty in Sec 3-4.

My child's marks are borderline — should they stay in G2 or try G3?

Borderline students benefit most from securing their G2 foundations first. A solid G2 base can still lead to strong SEC exam results, while a premature G3 move with shaky foundations often causes marks to drop further.

What should parents focus on during Sec 2 G2?

Focus on algebra and equation-solving fluency — these are the gateway skills for every Upper Secondary topic. If your child is comfortable with these by end of Sec 2, the transition to Sec 3 is much smoother.

What is the SEC exam and how does it replace O-Levels for G2 students?

The Singapore-Cambridge SEC replaces all three national secondary exams (O-Level, N(A)-Level, N(T)-Level) from 2027 with one unified exam. G2 Math aligns to the former N(A) standard. Students can mix G-levels across subjects and receive a single certificate. The content and rigour remain similar — G2 students still need strong algebra, geometry, and data-handling skills.

How many students are in each class?

Four, at most. Students are grouped by learning pace, not just by year level, so each lesson moves at the speed of the students actually in it. When no session matches a child’s pace, we open a new one. In a class that size, every child answers questions, gets their working checked, and gets help the moment they need it.

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