Curated OER
Interesting Interest Rates
Your young bankers compare earning interest accumulated yearly and monthly to decide which method most increases their balance. Using an exponential function to model the bank balance affords the learners more practice connecting...
Curated OER
Integer Solutions to Inequality
When is the last time you assigned your students only one problem? This seemly simple problem requires learners think like a mathematician and reason about how to solve this compound inequality in one variable. More than just using...
University of California
You Are What You Eat: Testing for Organic Compounds in Foods
We have all heard that we are what you eat, but what are we eating? An informative lesson opens with a discussion of the foods pupils have recently eaten. Then, young scientists perform four experiments on seven...
Shmoop
ELA.CCSS.ELA-Literacy.L.9-10.1
If you're completely lost on what grammar you should cover for Common Core skill L.9-10.1, look here! You will find some ideas and examples on what to include, making sure your learners can master the skill. The multiple choice quiz is...
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math; Interest
This Math Forum site gives links students' inquiries involving calculating both simple and compound interest for a variety of situations.
Math Is Fun
Math Is Fun: Interest (An Introduction)
What is interest? What is the difference between simple interest and compound interest? Find the answers to these questions, learn how to calculate interest for a loan, and see how interest can help your money grow. Includes ten practice...
Texas Instruments
Texas Instruments: That's Interesting!
In this activity, students compare simple and compound interest in graph form. By doing this students will gain insight into interest and interest formulas, exponential and linear growth, and real world investment strategies.
Texas Instruments
Texas Instruments: Math Today for Ti Navigator System College Costs Surge
During this activity, students will explore the expected cost of college and also look at methods of saving money for the future. Comparing simple and compound interest will help students make decisions about their future. Students will...
Hopelink
Hopelink: Teaching Percentages
Students can brush up on percentage skills with this lesson and calculate percentages using the "Percent Tricks method." For students to successfully use this method, they must have the ability to multiply and divide whole numbers.
Yale University
Yale New Haven Teachers Institute: Solving Problems "By the Hundreds"
The Yale-New Haven Teachers Institute site contains various math exercises relating to percentage and consumer-related problems. An explanation of sales tax, a related problem and answer are given.