Sort by the Rule

Children sort a set by one rule, then discover a second way to sort it.

🎮 Try it yourself

QubtanNeed or Want?

Some things we NEED. Some we just WANT. Tap the right basket!

🍞
Bread

Then run it for real — here’s the guide:

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Step 1 of 4

Get ready

Inquiry-based · 18 min

💫 The big idea
The same things can be grouped in many ways.

You’ll need:

  • A mixed set: buttons or shapes (by colour, size, holes)
For this age
At this age, hand over real responsibility: let them run a step without you, ask "should we?" beside "can we?", and be visibly persuadable when they argue well.
🃏 Open the card decks (play or print)
Show me how · Qubtan