One and a half digger! Entertaining tasks in mathematics. GEF

The proposed manual contains various types of entertaining tasks corresponding to the age characteristics of students of primary and secondary school age.
saturated with puzzles, questions and problems, it involves the student in active cooperation with the teacher in the lesson, wakes up curiosity and encourages him to the first independent discoveries.
The tasks of different types, topics, difficulty levels are given a score so that the student does not have the feeling that he is dealing with the textbook.
answers are given to all tasks, and many of them are decisions.
The manual is addressed to students, their parents, teachers of mathematics, students of pedagogical universities - future teachers, as well as all fans of mathematics