Mathematics. 2nd Grade. The Best Olympiad and Entertaining Problems. Developing Logic

This manual contains various types of problems: logical, textual, with geometric content, combinatorial. The problems correspond to the age characteristics of children and the requirements of the educational program.
The manual includes 40 variants, each containing 5 problems of different types.
Answers are provided for all problems, and solutions for many of them.
Most problems are original.
The material of the manual can be used in organizing and conducting mathematics Olympiads, activities in clubs, and lessons.
The manual is aimed at elementary school students, teachers for preparing students for Olympiads, and parents interested in improving their children's knowledge and developing their abilities.