Känguru Switzerland Association

“Math Känguru” is

a math multiple-choice competition for approximately 6 million participants in many European and non-European countries
A competition held once a year on the third Thursday in March simultaneously in all participating countries; it is administered as a written exam at schools (under supervision)
An event aimed at supporting mathematics education in schools, designed to spark and reinforce students’ enthusiasm for mathematics and to promote both independent study and classroom work by offering interesting problems