Now lovers of mental arithmetic can practice online and develop their numeracy skills at any time!
With this application, you will get acquainted with Abacus abacus, and also learn how to add and subtract using them. If the child has not yet tried mental counting, this is the first step towards discovering his mathematical abilities!
In general, Mental arithmetic exercises develop memory, attention, reaction speed, concentration and logical thinking.

The application is suitable for students of the online platform Sirius Future, as well as for everyone who wants to improve their counting skills and learn mental arithmetic, regardless of the level of training.