More or Less

Two clusters of dots flash side by side. Without counting, snap-judge which side has more. Trains your approximate number sense — and it gets closer.

Trains: Number sense · Category: Language & Logic

How to play: More or Less is a free, browser-based brain-training game in the Brain Gym suite. Play it instantly — no sign-up, works offline, and your best scores are saved on your device.

Play More or Less · All Brain Gym games