Courses

The Mathematics of Money: Exploring Economics

Grades 7–8
All Dates and Tuition
Modality
In Person
Identification Level
Quantitative - CTY-Level
Tuition
$3,212

About the Course

Why are round-trip fares from Orlando to Kansas City higher than those from Kansas City to Orlando? How do interest-rate adjustments affect the real estate market? How does one calculate the price-to-earnings ratio of a stock and use it to predict future performance? Mathematics plays an indispensable part in answering these questions. This course will give you a strong foundation in central concepts of business and finance, like the mathematics of buying and selling, how simple and compound interest affect the value of loans, mortgages, and interest-bearing accounts, and the impact of taxes on personal and government budgets. While examining these topics, you'll manipulate and solve algebraic expressions and learn to apply a range of mathematical concepts, including direct and indirect variation and arithmetic and exponential growth. Through simulations, projects, and investigations, you and your classmates will grow more secure in your own financial management and enhance your understanding of the broader economic conditions that shape personal, public, and corporate investments.

Typical Class Size: 16-18

The content in this course overlaps with the CTY course The Mathematics of Money. Students who have already taken The Mathematics of Money may wish to consult with an enrollment advisor before selecting this course.

Learning Objectives

  • Solve arithmetic operations involving fractions, ratios, and percentages
  • Apply arithmetic operations to solving business math concepts
  • Solve algebraic equations by exploring key polynomial and exponential concepts
  • Apply mathematical models derived from algebraic principles to business and finance
  • Formulate and evaluate conclusions based on inferences made from quantitative information
  • Apply mathematical reasoning to solve real-world problems and interpret the mathematical solutions in context

About Advanced Enrichment courses

These courses offer above-grade-level material that is presented in a novel context, explored with other advanced learners, and guided by a CTY educator to help prepare students for higher-order thinking and college-style academic challenges. Students work individually and may finish the course early if they complete all requirements before the course end date.

Requirements

CTY courses have grade-level requirements and most require minimum test scores. Some courses may also have prerequisites.

Identification Details
Grade 7–8
Identification Level
Quantitative - CTY-Level
Coursework Prerequisites None

Dates and Tuition

All CTY courses require you to create an account and confirm Identification Level before enrolling can be completed.

In Person

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Gilman School

Baltimore, MD
Day Site icon Day Site
Summer A 2026
Jun 28, 2026 - Jul 17, 2026
$3,212

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Register by: June 21, 2026

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Registration Fee and Financial Aid

Tuition and fees will be waived or reduced for students who qualify for financial aid.

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Join Fee $55

If you are not a member of CTY yet, you are required to join before enrolling in a course.

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In-Person registration fee $75

Non-refundable fee for in-person courses.

Online Registration Fee $15-$20

Non-refundable fee for online courses.

Mathematics

Sharpen your skills and build confidence while solving puzzles, exploring patterns, preparing for competitions, and tackling real-world problems in a rigorous and fun classroom.  

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