Mathematics. Grades 1-4. Non-standard and olympiad tasks.

This book includes non-standard and olympiad math tasks for elementary school students. Tasks of this type contribute to the intensive development of a child's mental activity, non-standard thinking, and activate mental processes such as attention, thinking, imagination, and more. The manual is divided into two parts: tasks for 1-2 grades and tasks for 3-4 grades. It contains problems, magic squares, math crosswords, tangrams, as well as answers to all tasks. The book can be useful for teachers preparing students for lessons, olympiads, and other math competitions, and will also be interesting for parents of students as an additional resource to help expand children's mathematical knowledge. 3rd edition.