Setting up your family Math Circle
A family math circle is a regular block of time — weekly or monthly — when everyone sits down to explore a mathematical idea together. A few things that help:
- Pick a consistent time (Sunday afternoons, Friday nights) so it becomes a habit
- Find a space where everyone can write and move — a kitchen table works perfectly
- Start with 30–45 minute sessions; you can always go longer when energy is high
- Have paper and pencils ready; screens off
Choosing a good problem
The best Math Circle problems share a few qualities:
- Low floor: Anyone can start — no special knowledge required
- High ceiling: There's always a harder question waiting if you want it
- Multiple approaches: You can solve it by drawing, by calculating, by guessing and checking
- Something to wonder about: The problem should make people want to ask follow-up questions
Our resources page is a good starting point, as are Open Middle and Math for Love.
Your role as facilitator
You're not a teacher — you're a co-explorer with one extra job: keeping the conversation going. That means:
- Present the problem and then step back
- Ask questions that open things up, not ones that hint at the answer
- Make sure everyone gets a chance to share — not just the fastest thinker
- Help people build on each other's ideas: "What do you think about what she just said?"
- Celebrate different approaches — wrong paths are often more interesting than right ones
You don't need to know the answer before you start. In fact, not knowing can be an advantage.
Sample activities to start with
- Diffy Squares: Place four numbers at the corners of a square, compute the differences, repeat. Does it always reach zero? (Our interactive version is coming soon.)
- Pattern exploration: Arrange household objects in a pattern — can everyone figure out what comes next? Can they make a different pattern with the same rule?
- Estimation jar: Fill a jar with small objects. Estimate the count. How do you get better at estimating?
- Logic puzzles: Any puzzle that requires careful reasoning and doesn't depend on calculation
Making it work long-term
- Follow the energy — if a problem catches fire, stay with it across multiple sessions
- Let kids bring problems they've found or invented
- Keep it light; quit while you're ahead
- The goal isn't to finish — it's to think together