Open Classes
Expert-led weekly online classes where a wider cohort solves challenging Olympiad Maths problems alongside the teacher, participates during the session and continues with structured practice. Registration is for a fixed series rather than unrestricted drop-in attendance.
- Starts 12 September 2026
- Live on Zoom
- Recording included
£49 per month
How an Open Class feels
Not a recorded lecture. A teacher works through the mathematics while the class solves alongside.
01 / 04
A lesson in progress
A mathematics teacher addressing a large class of teenage students, some writing and some thinking.
When is n² + n + 1 divisible by 3?
n = 1 → 3
n = 2 → 7
n = 3 → 13
n = 5 → 31
every third n?
n = 4 → 21
Next question
What changes modulo 5?
01 Teach
A teacher works through a challenging problem live. The class watches the first move, then starts thinking for themselves.
Step 1 of 4: Teach. A teacher works through a challenging problem live. The class watches the first move, then starts thinking for themselves.
01 Teach
A teacher works through a challenging problem live. The class watches the first move, then starts thinking for themselves.
02 Solve
Students solve alongside the lesson. Different pieces of working appear as people take different routes.
03 Ask
Selected questions rise from the class. The teacher addresses them without turning the lesson into a lecture.
04 Continue
The class returns to solving. You are learning with an expert and thinking alongside everyone else.
01 / 04
A lesson in progress
A mathematics teacher addressing a large class of teenage students, some writing and some thinking.
When is n² + n + 1 divisible by 3?
n = 1 → 3
n = 2 → 7
n = 3 → 13
n = 5 → 31
every third n?
n = 4 → 21
Next question
What changes modulo 5?
Step 1 of 4: Teach. A teacher works through a challenging problem live. The class watches the first move, then starts thinking for themselves.
Who Open Classes suit
Open Classes work well when your child wants expert teaching on a fixed timetable and is happy solving during the lesson as part of a wider cohort.
It is a deliberate format: students participate and learn from selected solutions and approaches, but the tutor cannot inspect every student's work as they would in a Small Group Class.
Need every student to present and get feedback?
Explore Small Group ClassesNeed the teaching to follow one student?
Explore Individual
Your first month
Start with four high-friction topics
Junior and Intermediate students meet the same big idea at a level appropriate to their class. Each lesson moves from a useful method into unfamiliar competition problems.
- 15 Sept1. Remainders and Divisibility
- 22 Sept2. Geometry Without Guessing
- 29 Sept3. Counting Without Double-Counting
- 6 Oct4. Algebraic Patterns and Invariants
Weekly Open Classes
The current series starts 12 September 2026. Junior and Intermediate have the same continuous monthly price. Register interest in the class you want; times convert to your timezone.
Times in Europe/London
Tue
17:00-18:00
Tue 17:00-18:00
£49 / month
Register for this classTue
18:00-19:00
Tue 18:00-19:00
£49 / month
Register for this class
Included every week
Live online class
A focused 60-minute Zoom class led by an Olympiad-winning tutor.
Problems.cc worksheet
The problems used in class, available to enrolled families.
Lesson library
Every class is recorded and added to the protected parent portal.
All sessions are recorded. Please make sure the student is comfortable participating in a recorded class. Missed classes are not refundable; the recording and worksheet remain available.
Tell us what you need
If none of the weekly classes fit, leave your details and we will follow up when a suitable Open Classes series becomes available.