A tempting slicing challenge, to be done alone or in a group. Good luck!

Ludo is playing with a rope he found in the park and is asking some rather unusual questions. It’s up to you to answer them.

How do time differences work? What happens if you do a round trip?

Thieves have broken into the museum! They’re after the ancient map — but they leave with only a piece of it.

Each student stands in a region and gives a clue about it — except for Pascal, who is sulking. The goal is simple: figure out where each student is located. However, solving the puzzle won’t be without its challenges!

Truth or lie? Help Mathilda choose the box that will land her the new job.

Help the teacher equally distribute the candies among the five friends.

Based on her friends’ clues, can you help Cindy figure out whether her new companion will be feline or canine?

At Mathville Elementary School, all 242 students have marbles. Can we be certain that at least two students at the school have the same number of marbles?

Justine only has one pumpkin. She wants to trade it at the market for as many corn cobs as possible. Help her figure out how many corn cobs she can get.

Mr. Blaise has set up a rotating sprinkler on his lawn to water it. However, some areas cannot be reached by the sprinkler. What portion of his lawn will remain dry?

Help the city planner design the new look of city hall. Nested circles, areas, radii — there’s plenty to think about!