The first steps in mathematics. Textbook for grade 3 (1930)

The manual contains simple tasks and examples, thanks to which the third -grader will continue to get acquainted with the basic mathematical rules written in an accessible language. At the beginning of each section, theoretical materials, instructions for performing tasks, tables with weight and area measures and practical tips on how to quickly and correctly solve examples and problems are given. In some sections there are practical laboratory tasks for training and consolidating knowledge: for example, glue a cubic decimeter from cardboard. Explanatory illustrations, schemes and tables help to better master the material and remember the necessary rules. At the end of the book, interesting tasks for the summer are collected, which the child can solve in nature.
The manual is useful to both primary school teachers and parents who are engaged in addition with children