Guide for parents

What Sec 1 and Sec 2 Maths exams test

By T-Leng, T-Leng Tuition · Checked against MOE and SEAB on 12 October 2026

In short

Lower secondary exams are set by each school, not SEAB, so the format differs from school to school.
There are no mid-year exams. Students are assessed through weighted assessments (WAs) during the year and an end-of-year exam.
The end-of-year exam is usually two papers: short questions, then longer structured ones.
The results decide whether a student can change subject level, and the Sec 2 results decide Sec 3 subject choices such as A-Math.

How the year is assessed

MOE has removed mid-year exams. During the year students are assessed through weighted assessments and class assignments chosen by the school. A WA is a short test, often 30 to 50 minutes, on the chapters just taught. The end-of-year exam covers the whole year.

How much each WA and the end-of-year exam count towards the year's result is set by the school, and is usually in the assessment plan sent home at the start of the year.

The end-of-year paper

Formats differ, but many schools use a scaled-down version of the national paper for the student's level:

Paper 1: short questions of a few marks each.
Paper 2: longer structured questions, often ending with a real-world problem.
Each paper is usually 1 to 1½ hours. Check whether a calculator is allowed in each paper.

The school sends the exact format and topic list a few weeks before the exam. That list is the one to revise from.

What each year covers

The chapters below follow a common order. Schools teach them in different orders and sometimes move a chapter between Sec 1 and Sec 2, so check against the school's topic list. Each one links to a free worksheet with answers.

Sec 1 G3 (Express)

Sec 2 G3 (Express)

Sec 1 G2 (N(A))

Sec 2 G2 (N(A))

Sec 1 G1 (N(T))

Sec 2 G1 (N(T))

Where students lose marks

From T-Leng's teaching, the same few things cost the most marks in Sec 1 and Sec 2: signs with negative numbers, expanding brackets with a minus in front, turning a word problem into an equation, units in area and volume (cm² and m³), and rounding (3 significant figures is not 3 decimal places). Each MugCorner notes chapter has a common mistakes section for these.

Preparing, 3 to 4 weeks before

Get the topic list and format from the school.
Go through one chapter's notes and worksheet each day or two, oldest chapters first.
In the last week, do a full practice paper with a timer, mark it, and redo every question that was wrong.

Practice papers with worked solutions: Sec 1 Maths exam papers and Sec 2 Maths exam papers. The Sec 1 and Sec 2 formula list has everything to remember.

What the results are used for

Under Full SBB, school results decide whether a student can move up a subject level (see G1, G2 and G3 Maths explained). Near the end of Sec 2, they also decide upper secondary subject choices, including whether a student can take A-Math.

Sources

Schools set their own lower secondary exams and subject criteria; check the details with your child's school.

Free practice at your child's level

Notes for every chapter, and practice that shows where an answer went wrong, step by step.

Read the notes Start free