This document provides a learning guide about binary relations. It includes definitions of key concepts like ordered pairs, Cartesian products, and binary relations. It presents examples and problems for students to practice these concepts. The guide aims to help students understand binary relations and how they can be used to model real-world situations and solve problems in various disciplines like mathematics, engineering, and science. Students are asked to analyze information, apply definitions, properties, and find Cartesian products. They also self-evaluate their understanding through an assessment scale.