Le billard (Les angles)

In Japan, four young people want to enter the city's dojo. They will have to play dice to gain entry. They will learn the odds of winning with a bar graph and Évariste's knowledge.

Inès stood for the election of the editor-in-chief of the school's website. She does a survey with all the students. Évariste suggests that she choose a limited number of students instead, by selecting a representative sample.

Tom won the first prize in the drawing competition which allows the winner to decorate one of the city's building by pasting the street art of his choice. He must calculate the height of the building to complete his project.

Inès wants to be considered as an adult. She has to make changes in her room and do some shopping. To do this, she must learn how to calculate percentage reductions.

Four friends want to install a giant screen in the city bar, but the screen does not go through the door. They must use their knowledge of the Pythagorean theorem to solve their problem.

Julien and Manon organize their parents' wedding anniversary party. They have two types of flowers and will need to make divisions to prepare equal and similar bouquets.

A crazy rumor runs through the high school in the town of Simplex. At each break, students repeat it to other students, who repeat it to other students. The rumor spreads at high speed and Évariste explains to them that it is about mathematics.

Inès, Marion, Tom and Julien absolutely want to know Évariste's age. He challenges them: if they manage to cut a pizza into three mathematically equal parts, Évariste will give them his age.

Tom did a compatibility test on an application. He obtained a 100% connection result with Eglantine Princess! The team makes a probability tree to determine which choice Eglantine will make on the canteen menu.