1. Positive Integer Subtraction
   
2. Integer Addition
   
3. Integer Subtraction
   
4. Integer Multiplication
   
5. Integer Division
   
6. Basic Integer Word Problems
   
7. Odd/Even Integer Word Problems
   
8. Algebraic Integer Word Problems
   

Variable Substitution

1. Evaluate Simple Expressions
   
2. Evaluate Multi-Variable Expressions
   
3. Evaluate Exponent Expressions
   
4. Evaluate Exponent Expressions with Negatives
   

Simplify Variable Expressions

1. Combine terms, one variable.
   
2. Combine terms, two variables.
   
3. Combine terms with exponents.
   
4. Use distributive property and combine terms.
   

1. Basic Number Line Inequalities
   
2. Compound Number Line Inequalities
   
3. Inequality Graphs
   
4. Inequality Graphs with y-intercept
   

Systems of Equations

1. Small Answer System of Equations
   
2. Regular System of Equations
   
3. Age Problems
   
4. Simple Work Problems
   
5. Mixture Problems
   

Absolute Value

1. Basic Absolute Value
   
2. Absolute Value Expressions 1
   
3. Absolute Value Expressions 2
   
4. Simple Absolute Value Equations
   
5. Advanced Absolute Value Equations
   
6. Absolute Value Inequalities
   

1. One-step equations
   
2. Two-step equations
   
3. Three-step equations
   
4. Both-side equations
   
5. One-step inequalities
   
6. Two-step inequalities
   
7. Both-side inequalities
   

Linear Graphs

1. Determine Slope
   
2. Determine Slope 2
   
3. Graph to Linear Equation
   
4. Equation from point and slope
   
5. Equation from two points
   
6. Parallel, Perpendicular, or Neither
   
7. Parallel or perpendicular equations