A.1.1: How can I represent an expression? Exploring Variables and Expressions
A.1.2: What makes zero? Using Zero to Simplify Algebraic Expressions
A.1.3: How can I simplify the expression? Using Algebra Tiles to Compare Expressions
A.1.4: How can I write it? Justifying and Recording Work
A.1.5: What if both sides are equal? Using Algebra Tiles to Solve for x
A.1.6: What is x? More Solving Equations
A.1.7: How can I check my answer? Checking Solutions
A.1.8: How many solutions are there? Determining the Number of Solutions
A.1.9: How can I use my equation-solving skills? Using Equations to Solve Problems
A.1.1 & A.1.2: Simplifying Algebraic Expressions | Simplificación de expresiones algebraicas
A.1.3 & A.1.4: Comparing Algebraic Expressions | Comparación de expresiones algebraicas
A.1.5 - A.1.8: Solving Equations | Resolución de ecuaciones