The Disappearance on the Paris Express. A Quest Book with Stickers

Why is mathematics needed? This question often arises among schoolchildren. The quest book with a detective plot, mathematical puzzles, comics, and stickers will help children look at school lessons in a new way. They will understand that the laws of... mathematics surround a person. The search for clues will help children apply their knowledge in practice. They will practice performing arithmetic operations within 1000, review the multiplication table, fractions, easily solve problems on movement, determining area, perimeter, remember geometric figures, and more! As a result, the lessons will be understandable and interesting, and most importantly – "mathematical anxiety" will disappear forever. A teaching aid for primary education.