Welcome to Mathnasium of Sterling

Met with Dimitrios to get help for my son with AP Statistics. Dimitrios has been very helpful in finding the r...

Tyler Wilson

We have had a wonderful experience. My daughter has been with this center for almost three years now. It has...

Rimpi Saini

Mathnasium - Trial Membership $59

Initial Assessment, Registration and 2 One-hour long Math Sessions for just $59. We will conduct our initial assessment and meet with you to discuss the results and the customized learning plan. Then, we will provide 2 lessons so your child can experience Mathnasium instruction prior to enrolling for a full membership. Offer is good from January 1, 2024 to March 31, 2024.

Schedule Free Assessment

Contact us


  • 44 Pidgeon Hill Drive, #100
  • Sterling, VA 20165
  • Call (703) 436-8212
  • Text 703-436-8212

Hours of Operation

Instructional Hours

Mon-Thu (Summer, June 19th to Aug 19th) 3:00 PM - 8:00 PM
Fri (Summer, June 19th to Aug 19th) 3:00 PM - 6:00 PM
Mon-Thu (During the school-year) 3:00 PM - 8:00 PM
Sat (During the school-year) 10:00 AM - 2:00 PM

Office Hours

12:00 PM - 8:00 PM
10:00 AM - 2:00 PM
Call or Text
(703) 436-8212 [7 Days a week]
9:00 AM - 9:00 PM
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My name is Dimitrios Tzoumas and I am the Center Owner and Director at Mathnasium of Sterling. At Mathnasium, we offer the tools to help school-aged learners improve critical math skills and understanding, regardless of their current ability level. We look forward to working with you and helping to build a successful future for your child.

We specialize in math-only instruction with a focused, caring, and fun learning approach that delivers results.
We proudly serve local communities and schools, including:

  • Sterling and Potomac Falls communities
  • Countryside Elementary School
  • Algonkian Elementary School
  • Horizon Elementary School
  • Potowmack Elementary School
  • River Bend Middle School
  • Potomac Falls and Dominion High School

Dedicated to providing the best instruction

Our instructors are enthusiastic about math and specially trained in the Mathnasium Method. They create a caring and encouraging environment where your child will learn and thrive!

Meet the Team gallery1

Instructor Spotlight

Anna Gibney
Anna graduated from the University of Maryland in Business Finance followed by an extensive career as a financial analyst where she used applied mathematics on a daily basis to oversee corporate budget analysis, planning, execution, and reporting for a large defense firm. She then took time off to r(...)



One-on-One Assessment

Our unique assessment pinpoints what each child already knows and what they still need to learn.


Customized Learning Plan & Goals

Our detailed plan takes your child step-by-step from where they are to where they need to go.


The Mathnasium Method™

Our proprietary curriculum and teaching method fosters skills that take hold and build upon one another.

Latest News & Posts

Reversing Math Loss for COVID Generation

Mar 5, 2021 | Sterling

First Published by Mathnasium | February 3, 2021 It goes without saying that the pandemic has disrupted every aspect of our lives — from the way we live, to how we interact, to the way we work and play. And as most p..

Pi Day Activity

Mar 5, 2021 | Sterling

Prodigious Pi (Activity) By Mathnasium | March 1, 2021 Why do we make such a big deal out of pi? Because pi is a big deal. This irrational number that begins with 3.14 and goes on forever helps us understand so much..

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By submitting this form you agree to receive recurring advertising emails, text messages, and calls from Mathnasium and its independently owned learning centers about our offerings to the phone number/email provided above, including calls and texts placed using an automatic telephone dialing system. Consent to receive advertising text messages and calls is not required to purchase goods or services. By submitting this form you also consent to Mathnasium's Terms of Use and Privacy Policy.

"You can tell that the owner cares, and we can tell that it’s making a big difference on our son’s math skills."

— R.B.


44 Pidgeon Hill Drive, #100

Sterling, VA 20165

United States