Pattern reasoning
Find the rule beneath a sequence or matrix instead of guessing from its surface.
Free adaptive IQ assessment
Challenge your pattern, number, and spatial reasoning. Take 50 questions that adapt as you go, and discover your estimated IQ range.
No account required. Your estimated range is free.
What you’ll explore
Spot relationships, follow number sequences, and turn shapes in your mind. Each domain brings a different kind of problem.
Find the rule beneath a sequence or matrix instead of guessing from its surface.
Track sequences, alternating rules, growing gaps, and compact number structures.
Rotate, reflect, move, and transform objects and directions in the mind.
A clearer view of your reasoning
Your answers produce an estimated IQ range using a provisional conversion. It has not been validated against an adult reference population. The full report explains the result, its limits and practical ways to explore your reasoning.
Read the full methodologyThe full report explains your estimated range and three reasoning areas, with a visual overview, worked examples, everyday applications, and a 30-day practice plan.
The intelligence guide
Learn what the WAIS-5 FSIQ confidence interval means, how it differs from SEM and percentile rank, and what to ask the examiner.
Read the guideiq-test-basicsThe free Mensa IQ Challenge is practice, not a qualifying test. Learn how admission routes, prior scores, and local Mensa rules differ.
Read the guidescore-literacyN-back reliably improves practiced-task performance, but evidence for dependable gains on untrained reasoning tests is mixed. Here is how to read it.
Read the guide