Arithmetic. Textbook for the 4th grade of primary school

This book contains more than 1,000 tasks, examples and equations for all arithmetic things. Practical material is combined with theory: the rules of addition and subtraction, the properties of multiplication and division and techniques for a quick oral and written account are set out simply and briefly. The publication will help the child understand units of measurement, length, money and time and in square and cubic measures. In all sections there are additional questions for repeating the topic studied, and at the end of the book, tasks and examples are collected that will help to fix all the material covered. The answers to each task are convenient when checking, and explanatory illustrations make book -and -be more accessible and accessible. The book will be useful as primary school teachers, and to the forkers who are engaged in additions with children