Mathematical Reasoning Problems I: Problems in Algebra and Pre-Calculus that help you develop mathematical reasoning and logic skills.

Mathematical Reasoning Problems II: Problems in Algebra and Pre-Calculus, logic, inequalities, absolute value, number systems, graphs.

Mathematical Reasoning Problems III: Problems in Algebra and Pre-Calculus, arithmetic and geometric sequences, introduction to induction (series).

Mathematical Reasoning: An Overview. A handful of problems that test thoroughly your ability and preparation for a mathematical college education.

Mathematical Reasoning: An Overview. Additional set of problems involving basic key concepts that provide a solid background for a college education.

Linear Functions: Straight lines, linear functions, and arithmetic sequences

Absolute Value y=|x|: Broken lines, the geometric median problem, piece-wise linear functions.