Multiplication, factoring, and the start of shortened multiplication formulas. Geometry: Basic Concepts: Points, lines, segments, and angles.
Triangle congruence, properties of isosceles triangles, and the sum of angles. and angles. Triangle congruence
Medium difficulty, requiring a deeper understanding. properties of isosceles triangles
Signs of parallel lines and properties of angles formed by transversals. Structure of Ershova's Manual and angles. Triangle congruence
Introduction to linear functions and coordinate systems.