Welcome to the mysterious and mysterious world of mathematics. From January 16 to January 27, the decade of Mathematics will be held! We invite all the children to take an active part in solving mathematical sudoku, crossword puzzles, puzzles and logical problems, the tasks of which are located on the 1st floor. Answers to these tasks will be accepted on January 20, 23 in room 37. There will also be an exhibition of geometric shapes, where each of you can show your creative abilities. Along with this, during the decade there will be a challenge "Are you friends with mathematics?" The most active participants will be awarded sweet prizes.