Arithmetic Sequences & Linear Functions
This Unit’s Key Question: Are payday loans fair?
Day 1: Arithmetic Sequences (Recursive)
Lesson Key Question: How do payday loans work?
Content: Arithmetic Sequences | Common Difference | Recursive Notation
Day 2: Arithmetic Sequences (Explicit)
Lesson Key Question: Are payday loans misleading?
Content: Arithmetic Sequences | Explicit Formula
Day 3: Slope-Intercept Form
Lesson Key Question: Why do payday loan stores concentrate in low-income neighborhoods?
Content: Linear Functions | Slope-Intercept Form | Interpreting Slope & Intercept
Image adapted from The Texas Tribune
Day 4: Calculating Equations From Points
Lesson Key Question: Is payday lending worth the risk?
Content: Slope Formula | Calculating Slope & Intercept From Points
Day 5: Parallel & Perpendicular Lines
Lesson Key Question: Why don’t more borrowers use extended payment plans?
Content: Parallel Lines | Perpendicular Lines | Negative Reciprocal Slopes
Day 6: Point-Slope Form
Technique Lesson: Skill-building lesson (no key contextual question)
Content: Linear Functions | Point-Slope Form
Data Capstone: Linear Regression
Lesson Key Question: Are credit scores fair?
Content: Linear Regression | Prediction
What is a data capstone lesson?