"The idea was to create a more friendly and relaxed space for the students," Karystios says. Students are encouraged to hang out in the space after their lesson.  Photo 2 of 4 in This May Be the Cutest Math Classroom of All Time by Allie Weiss

This May Be the Cutest Math Classroom of All Time

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"The idea was to create a more friendly and relaxed space for the students," Karystios says. Students are encouraged to hang out in the space after their lesson.