Florida B.E.S.T. MA.912.FL.3
B.E.S.T. Standard (Benchmark Cluster)
Describe the advantages and disadvantages of short-term and long-term purchases.
Florida B.E.S.T. Standards for Mathematics
Cluster contents
Benchmarks in This Standard
MA.912.FL.3 is a B.E.S.T. standard. These are the benchmarks under it.
- MA.912.FL.3.1
Compare simple, compound and continuously compounded interest over time.
- MA.912.FL.3.10
Analyze credit scores qualitatively. Explain how short-term and long-term purchases, including deferred payments, may increase or decrease credit scores. Explai...
- MA.912.FL.3.11
Given a real-world scenario, establish a plan to pay off debt.
- MA.912.FL.3.12
Given fixed costs, per item costs and selling price, determine the break-even point for sales volume.
- MA.912.FL.3.2
Solve real-world problems involving simple, compound and continuously compounded interest.
- MA.912.FL.3.3
Solve real-world problems involving present value and future value of money
- MA.912.FL.3.4
Explain the relationship between simple interest and linear growth. Explain the relationship between compound interest and exponential growth and the relationsh...
- MA.912.FL.3.5
Compare the advantages and disadvantages of using cash versus personal financing options.
- MA.912.FL.3.6
Calculate the finance charges and total amount due on a bill using various forms of credit using estimation, spreadsheets and other technology.
- MA.912.FL.3.7
Compare the advantages and disadvantages of different types of student loans by manipulating a variety of variables and calculating the total cost using spreads...
- MA.912.FL.3.8
Calculate using spreadsheets and other technology the total cost of purchasing consumer durables over time given different monthly payments, down payments, fina...
- MA.912.FL.3.9
Compare the advantages and disadvantages of different types of mortgage loans by manipulating a variety of variables and calculating fees and total cost using s...
Teacher's field guide
What This Cluster Means
What Students Need to Do
- Students compare buying choices that meet immediate needs with choices meant to last longer. They weigh price, total cost, durability, flexibility, and future needs.
What Mastery Looks Like
- Students compare upfront cost, total cost, useful life, and flexibility. They support a choice with calculations and explain how the buyer’s needs affect the decision.
Common Misconceptions
- Students may assume the lowest upfront price is always the best deal. They may ignore maintenance, replacement costs, resale value, changing needs, or the risk of a long commitment.
How to Assess It
- Give this exit ticket: “A monthly bus pass costs $80, while a yearly pass costs $840. List one advantage and one disadvantage of each, then choose one for a student who may move in six months.”
Lesson moves
Ways to Teach It
Have pairs sort purchase cards into short-term and long-term choices, then label each card with one benefit and one drawback.
Ask students to write: “When might renting a laptop be better than buying one, even if buying costs less over time?”
Play a budget challenge where teams choose between monthly and annual plans for five scenarios and earn points for evidence-based decisions.
Students compare real prices for monthly and annual gym memberships, including fees, cancellation rules, and the cost of ending early.
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