This learning resource provides a comprehensive guide for students to understand and apply multi-variable algebraic expressions in real-world scenarios, specifically in the context of school store budgeting. It begins with a clear learning objective focused on translating word problems into algebraic expressions and evaluating them. It includes multiple activities such as retrieval practice, worked models, and discussion prompts, showcasing various scenarios involving different school supplies with their costs. The document emphasizes the importance of using multiple variables and guides students through writing expressions, substituting values, and solving for total costs. Additional activities encourage independent application, allowing students to creatively engage with budgeting scenarios, build critical thinking skills, and reinforce their understanding of algebraic expressions.