Registration open until 30 December 2026

Think hard.
Solve beautifully.

Xola Math Challenge is a Singapore-based online problem-solving contest for curious students from Primary 5 to pre-university. Sit the exam from home on 17 January 2027.

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Register now See the schedule
Warm-up problem
The digits of a 3-digit number add up to 11. Reverse the digits and the number grows by 198. The tens digit is 5. What is the original number?

How the Challenge works

30 DecRegistration closes
17 JanRound 1 exam, online
End JanRound 1 results
20 FebRound 2, online, awarded students
End FebFinal results

Our impact in 2026

0+students took part
0total winners (gold, silver, bronze)
0scholarships approved
0partner schools and classes

Scholarship fund 2027

0 of 400 places approved

Scholarships cover the entry fee for students who need support. Apply through the registration form.

Why join?

Real thinking

Puzzles that reward ideas, not memorised formulas.

Take it from home

Both rounds are fully online, so there is no travel.

Medals and prizes

Gold, silver and bronze awards, with a second round for awarded students.

Open to all

Bursary places are available for students who need them.

Pick your division

Junior

Primary 5–6

Playful logic, patterns and number puzzles that reward patience.

Intermediate

Secondary 1–2

Algebra, geometry and counting problems with a twist.

Senior

Secondary 3–JC

Olympiad-style problems and number theory for serious solvers.

Trusted by schools and maths classes across Singapore

Some of our 120 partners.

See all partners

Registration closes 30 December

Join thousands of students solving problems this January.

Apply now

About the Challenge

Xola is based in Singapore. It started in 2016 with 60 students in one school hall. Today it is one of the region’s largest friendly math contests, and it now runs fully online. We believe maths is a way of thinking, and that every student can enjoy a hard problem.

Our mission

Make problem solving exciting, and find young talent early, whatever school they attend.

What we test

Reasoning, creativity and persistence. Questions need school maths plus a good idea.

What you win

Medals and certificates for awarded students, plus a place in Round 2.

Format

RoundDateWhoMode
Round 117 January 2027All registered studentsOnline
Round 220 February 2027Awarded students from Round 1Online
Join this year

Divisions

Pick the division that matches your current school level. Strong students may apply one level up with a teacher’s note.

Junior

Primary 5–6

Topics: number patterns, fractions, logic grids, simple geometry.

Intermediate

Secondary 1–2

Topics: algebra, ratios, angles, counting, divisibility.

Senior

Secondary 3–JC

Topics: number theory, inequalities, combinatorics, geometry.

Awards

Awards are given from Round 1 scores. Awarded students go on to Round 2.

AwardWho gets it
GoldTop 5% of each division
SilverNext 10%
BronzeNext 15%

There is no award ceremony. Results and certificates are sent online.

How to apply

Any student in Singapore at the right school level can enter. Registration closes on 30 December 2026. It takes about five minutes.

Who can enter?

  • Junior: Primary 5 or 6 students in Singapore
  • Intermediate: Secondary 1 or 2 students
  • Senior: Secondary 3 to 5 and junior college students
  • Partner school or class students can register through their coordinator
  • Other students can register on their own using this form
  1. Choose your division

    Check the Divisions page to match your school level.

  2. Fill in the form below

    Use the student’s full name as on their school ID. Add a parent or teacher email.

  3. Pay the entry fee

    The entry fee is $5.77 per student. Bursaries are free for students who need them.

  4. Get your confirmation

    We email your candidate number, practice papers and online exam instructions before 17 January.

  5. Sit the exam online

    Join from home on 17 January 2027 with a computer or tablet and a stable internet connection.

Register

Entry fee (1 student)$5.77

Schedule

Everything runs online. We email registered students before each date.

30 DecRegistration closes
17 JanRound 1 exam, online
End JanRound 1 results
20 FebRound 2, online, awarded students
End FebFinal results
DateWhat happens
30 Dec 2026Registration closes
17 Jan 2027Round 1 online exam for all registered students
End of Jan 2027Round 1 results and awards announced
20 Feb 2027Round 2 online exam for awarded students
End of Feb 2027Final results announced. There is no award ceremony.

Practice zone

Try a problem from each division. Type your answer and check it.

Junior

What is 1 + 2 + 3 + … + 100?

Intermediate

If x + 1/x = 3, what is x² + 1/x²?

Senior

What is the remainder when 2¹⁰⁰ is divided by 7?

Registered students also get a full practice paper by email.

Our partners

Over 120 schools and maths learning centres across Singapore take part in the Challenge. Partners nominate a teacher or tutor as coordinator, share practice papers and register students in groups. Students from any school or class can also enter on their own.

Eligible schools

Primary, secondary and junior college students studying in Singapore. Students from maths enrichment classes and tuition centres are welcome too.

Become a partner

Any school or maths class can join. Email us and we will set up a coordinator account.

Partner benefits

Group registration, score reports for your students and extra practice sets for classes.

Find your school or class

Questions

Do I need to be a maths genius?

No. Many questions need only school maths and a clever idea. Practice papers help a lot.

How does the online exam work?

You join from home with a computer or tablet and a stable internet connection. Full instructions are emailed before the exam.

Can I use a calculator?

No. Keep pen and paper ready for your working.

Who goes to Round 2?

Students who earn an award in Round 1. Round 2 is on 20 February 2027, online.

When are the results?

Round 1 results are out at the end of January. Final results are out at the end of February.

Is there an award ceremony?

No. Results and certificates are shared online.

Is there help with the fee?

Yes. Bursary places are available. Email us and we will help.

Can I change my division after applying?

Yes, until registration closes on 30 December. Just email us.

Can homeschooled students enter?

Yes. Choose the division for your age and apply as normal.

Contact us

Questions from students, parents and teachers are all welcome. We reply within two working days.

Email

hello@xolamath.example

Phone

+65 6000 0000
Mon–Fri, 9am–5pm

Office

Xola Learning Hub
1 Example Road, Singapore