Math Models U7 L2 | Credit Cards & Interest (Cracking the Credit Card Code)
Автор: Ellington Math
Загружено: 2026-01-15
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In Unit 7, Lesson 2, we dive into one of the most important (and most misunderstood) topics in consumer math: credit cards and interest.
This lesson explains how credit cards actually work, how interest is calculated, and why minimum payments can keep you in debt far longer than expected.
📌 What you’ll learn in this video:
How credit card interest works
What APR means and why it matters
How interest grows when balances aren’t paid off
Why minimum payments are risky
How math explains long-term credit card costs
How to make smarter borrowing decisions
This lesson is about understanding the math before it becomes an expensive problem.
🧮 Calculator Notes
You’ll use your calculator to:
calculate interest
analyze balances over time
compare payment scenarios
Pay close attention to time and rate values — small differences matter a lot here.
👩🏫 For Math Models Students
This video supports Math Models – Unit 7, Lesson 2.
📎 Financial reality check:
Credit cards aren’t “free money.” The math always catches up.
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