The Upper Grades Standards Edition Unit 10 (Algebra) extends understanding of number relationships building a foundation for more complex processes in math by extending the students’ critical thinking skills through integrating and deepening previously learned concepts. Students will learn why and how algebra is used. The mathematical standards of reasoning abstractly and creating mathematical justifications are supported. Topics addressed in this unit include ratios, rational numbers, expressions, variables, patterns, operations, and geometry. Completion of this unit will help student have a greater understanding of the relationships of number concepts and their real-world application.