Educational dominoes "Equation" is one of the easiest and most exciting ways to develop the ability to solve equations, as well as to consolidate oral calculation skills. According to the Concept of the New Ukrainian School, didactics and the "Learning through game" method play an important role in the education of younger schoolchildren. With the help of an interesting game, the teacher will help students consolidate the skills of oral calculations, as well as form the ability to solve equations. The game can be used for one or more participants.