Florida SS.8.FL.4.3

Social Studies8th GradeUsing Credit

The Standard

Examine the fact that borrowers who use credit cards for purchases and who do not pay the full balance when it is due pay much higher costs for their purchases because interest is charged monthly. Explain how a credit card user can avoid interest charges by paying the entire balance within the grace period specified by the financial institution.

Florida Next Generation Sunshine State Standards for Social Studies

Teacher's field guide

What This Standard Means

What Students Need to Do

Students calculate how monthly interest raises the cost of a purchase when part of the credit card balance remains unpaid. They explain how paying the full statement balance by the due date avoids interest during the grace period.

What Mastery Looks Like

Given a purchase amount, payment, and monthly interest rate, students can find the remaining balance and interest charge. They can identify the payment amount and date needed to avoid interest.

Common Misconceptions

Students may think paying the minimum amount due prevents interest. They may treat interest as a one-time fee instead of a monthly charge. Some confuse the statement balance with the minimum payment.

How to Assess It

Exit ticket: A $240 statement is due June 20. If $40 is paid and 2% monthly interest applies to the remaining $200, find the interest and state how to avoid it.

Lesson moves

Ways to Teach It

  1. Give pairs a receipt, mock credit card statement, and calculator; have them compare full and minimum payments after one month of interest.

  2. Write a short response to: Why can a $60 purchase cost more than $60, and what payment choice prevents that?

  3. Run a card-sort race matching purchase amounts, unpaid balances, monthly rates, interest charges, and payment choices that avoid interest.

  4. Use a sample credit card disclosure to locate the grace period, then choose a payment date that would prevent purchase interest.

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