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Lesson Plan
EngageNY

Percent Rate of Change

For Teachers 10th - 12th Standards
If mathematicians know the secret to compound interest, why aren't more of them rich? Young mathematicians explore compound interest with exponential functions in the twenty-seventh installment of a 35-part module. They calculate future...
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Lesson Plan
Curated OER

Investment Plans

For Teachers 8th - 11th
Students explore investment plans. They write the explicit and recursive forms of the sequence of an investment and compare the amount to the continuously compounded interest formula for the same time period, interest and principal....
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Activity
Howard County Schools

Maria’s Quinceañera

For Teachers 9th - 11th Standards
How long will it take to save up for a car? Classmates use linear and exponential models to see how money received during a Quinceanera will grow over time.