This manual is a development of mathematics classes with children of the older group of kindergarten in accordance with the program "Childhood." The work presents a variety of cards, crosswords, riddles, "ladders" that help form elementary mathematical ideas in children, develop logical thinking. Interesting tasks, entertaining materials, games, stimulate the desire for learning among preschoolers, develop thought processes, attention, memory. The manual is intended for educators of preschool educational institutions, parents, governors.