The Maryland College & Career Ready Standards contain the following units of study for Expressions and Equations for grades 6 - 8:
- Apply and Extend Previous Understandings of Arithmetic to Algebraic Expressions
- Reason about and Solve One-Variable Equations and Inequalities
- Represent and Analyze Quantitative Relationships between Dependent and Independent Variables
- Equivalent Expressions
- Solve Real-life and Mathematical Problems Using Numerical and Algebraic Expressions and Equations
- Work with Radicals and Integer Exponents
- Understand the connections between proportional relationships, lines, and linear equations
- Analyze and solve linear equations and pairs of simultaneous linear equations
Sea Creatures: Solving Equations and Inequalities by 
Land Animals: Solving Equations and Inequalities by 
Inside the Human Body: Using Scientific and Experimental Notation by 
