👑 Premium Sign in Sign up

🏆 Advanced Challenge

Olympiad-style puzzles: multi-step problems, magic squares, pigeonhole, remainders, knights and knaves, Tower of Hanoi and binary search, with an optional timed round.

Loading questions…

Questions are generated for Class 2 each time, so practice never runs out. Progress is kept on this device. Common-sense answers are the sensible, safe choice; discuss the reasons with a parent or teacher.