Practice Arithmetic and Number Theory: Level 3 (ages 11-13)

About “Competitive Mathematics for Gifted Students” This series provides practice materials and short theory reminders for students who aim to excel at problem solving. Material is introduced in a structured manner: each new concept is followed by a problem set that explores the content in detail. Each book ends with a problem set that reviews both concepts presented in the current volume and related topics from previous volumes. The series forms…