Mathematics

Mathematics games

Short problems, sequences, and logic challenges that make reasoning practice fun.

Advanced 7 min

Prime number grid

Recognize multiples and prime numbers before time runs out.

Start

Easy 5 min

Find all divisors hidden among twelve candidate numbers and check your reasoning.

Start

Advanced 9 min

Find the smallest positive integer satisfying three remainder conditions.

Start

Advanced 8 min

Count positive divisors using prime factorization.

Start

Intermediate 7 min

Cross out multiples and discover primes step by step.

Start