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Card Sorting

💡Benefits

Discover the hidden rule — but watch out, it changes!

🎮How to play

Discover the hidden rule — but watch out, it changes!

❓Frequently asked questions

No, the card sorting game on MentalMath is free and opens without registration.
Discovering a hidden sorting rule that keeps changing builds cognitive flexibility and the ability to shift quickly from one rule to another.
Recommended from age 8, as noticing a rule change and adapting requires fairly mature attention.
Yes, sorting the cards with a tap works comfortably on a phone or tablet screen.
A few times a week for 10 minutes trains the brain to stay flexible when conditions change.
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