Printable Vintage Mathematics Textbook, USSR 4th Grade (PDF)
: Working with units of time, mass (tons, kilograms), and distance (kilometers). Typical Problem Types ("Zadachi") matematika uchebnik dlia chetvertogo klassa.zadachi
: Problems involving travel between towns or relative speeds of different objects. Printable Vintage Mathematics Textbook, USSR 4th Grade (PDF)
: Mastering multi-digit multiplication and division, as well as operations within 100,000. Printable Vintage Mathematics Textbook
: Introduction to natural and fractional numbers, decimal notation, and basic percentages.
: Authors like Dmitry Khomyakov offer targeted practice such as "All Types of Problems" for around $13.
: Determining the mass of different groups of objects when given relative differences (e.g., "432 kg less than the second plot").