Mathematics for "excellent". Problem solving. Training manual for primary school

This publication is a textbook with explanations and tasks on the topics "solutions to problems", which are studied in grades 1-4 in accordance with new software requirements. It is designed for the work of the student on his pages and is aimed at individual training of the child.
The tasks given in the manual are accompanied by commenting on the solution stages, or explanations about what actions are required to solve each given type of problem and how to perform them, or schemes, etc. The publication also includes a section with answers or decisions intended for parents and teachers.
The manual is universal in nature and can be used simultaneously with any textbook in mathematics both in the conditions of the classroom system and in online learning