Number Comparison Test
Click the larger number as fast as you can. Tests numerical processing speed.
How to Play
1. Two numbers will appear side by side
2. Click the LARGER number as fast as you can
3. Complete 20 rounds
4. Numbers get progressively harder to compare
About Number Comparison
Number Sense
This test measures your numerical cognition -- how quickly your brain processes and compares quantities. Faster comparisons indicate stronger number sense.
Distance Effect
Numbers that are far apart (23 vs 87) are compared faster than close numbers (847 vs 851). This is called the distance effect in cognitive psychology.