Lessons Fulfilling NCTM Standard 2b
Represent and analyze mathematical situations and structures using algebraic symbols

Absolute Value Equations / Graphs
18 videos by 4 teachers 
Adding / Subtracting Rational Expressions
11 videos by 2 teachers 
Advanced Systems of Equations
9 videos by 7 teachers 
Algebraic Word Problems
35 videos by 4 teachers 
Asymptotes
9 videos by 3 teachers 
Basic Equations
21 videos by 4 teachers 
Basic Inequalities
10 videos by 3 teachers 
Basic Interest
6 videos by 2 teachers 
Circles
17 videos by 3 teachers 
Completing the Square
18 videos by 4 teachers 
Complex Fractions / Simplifying Rational Expressions
15 videos by 4 teachers 
Composite Functions
21 videos by 3 teachers 
Domain and Range
12 videos by 1 teacher 
Doubling / Half Life
1 video by 1 teacher 
Evaluating Expressions
18 videos by 4 teachers 
Evaluating Rational Expressions
3 videos by 1 teacher 
Exponential Functions
7 videos by 2 teachers 
Factoring Application Problems
8 videos by 1 teacher 
Factoring Basic Trinomials
9 videos by 6 teachers 
Factoring out Greatest Common Factor
11 videos by 6 teachers 
Factoring Special Cases
11 videos by 5 teachers 
Factoring Trinomials with Leading Coefficients
26 videos by 8 teachers 
Geometry Formulas
4 videos by 4 teachers 
Graphing Inequalities in a Coordinate Plane
18 videos by 7 teachers 
Graphing Lines
37 videos by 6 teachers 
Graphing Systems of Equations
9 videos by 4 teachers 
Inequalities on a Number Line
17 videos by 8 teachers 
Integer / Negative Exponents
8 videos by 4 teachers 
Intro to Exponents
6 videos by 3 teachers 
Intro to Polynomials
28 videos by 7 teachers