Complete Training Course. Grade 3. Mathematics. Russian Language

The manual contains all the rules of mathematics and the Russian language for grade 3 and tasks for their solid reinforcement. With this manual, a third grader will learn to calculate quickly and accurately, master counting algorithms and solving typical problems, acquire the skill of correct writing and speech, be able to organize the acquired knowledge, systematize it, and connect it with each other. The manual can be used as additional material in class and for independent study at home.