Welcome to Math-Center.Org’s Expressions and Equations page! This essential part of the middle school math curriculum—particularly in Grades 6 through 8—introduces students to the language and structure of algebra. Here, students learn to understand and work with variables (letters that represent unknown values), and algebraic expressions (mathematical phrases that can include numbers, variables, and operation symbols). As students progress, they develop the skills to write, evaluate, and simplify expressions, as well as solve one-step and multi-step equations. These foundational concepts are critical for success in algebra and beyond. Our practice materials are designed to support classroom learning, clarify key terms, and build strong problem-solving strategies. Let’s explore how expressions and equations help us represent and solve real-world situations using the power of algebra!
Quizzes
