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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.

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?

Principle Estimate the amount of toilet paper needed to cover the classroom.

Discover how the magician manages to calculate faster than the calculator, and you too can impress the crowd.

Principle Reconstruct the secret solids by using their projections.