Pythagorean theorem, sine/cosine rules, and inscribed/circumscribed circles.
Simplifying algebraic expressions and using short multiplication formulas . uprazhneniia dlia povtoreniia kursa 7-9 klassov
Area and perimeter formulas for rectangles, squares, and parallelograms. Angles: Relationship between central and inscribed angles. Recommended Resources for Practice and roots. Linear
Operations with fractions, powers, and roots. uprazhneniia dlia povtoreniia kursa 7-9 klassov
Linear, quadratic, and inverse proportional functions. Sequences: Arithmetic and geometric progressions.
The review of the grades 7–9 curriculum focuses on foundational topics in Algebra and Geometry, often aimed at final exams or OGE (Basic State Exam) preparation. Comprehensive sets of exercises for these grades can be found on educational platforms such as Infourok and YaKlass . Key Algebra Topics for Review (Grades 7–9)