: Operations with positive and negative numbers, modules, and the coordinate plane.
: Ratios, scales, and direct/inverse proportionality—critical for physics and chemistry prep.
: Solving linear equations and word problems involving percentages. The Role of GDZ (Reshebniks)
: They offer step-by-step solutions that help students understand how to arrive at an answer, which is useful for self-correction.
: Prime/composite numbers, LCM, and GCD.
The "Kontrolnye Raboty" (Control Works) by and I.I. Zubareva for 6th-grade mathematics is a cornerstone of the Russian middle school curriculum. It is designed to test students' mastery of the transition from basic arithmetic to the more abstract concepts of algebra and geometry. Core Content and Structure