Welcome to Mathnasium of Waldorf

Mathnasium has been a game-changer for my fourth-grade son's academic journey. Since enrolling, his grades hav...

Jasmine Moore

Since day one, Charles has been amazing, warm, and informative. The staff mentors/teachers have been great als...

Carolina Pimentel

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Contact us


  • 3022 Festival Way
  • Waldorf, MD 20601
  • Call 301-310-7482
  • Text 301-310-7482

Hours of Operation

Instructional Hours

Mon 3:00PM - 7:00PM
Tue 10:00AM - 2:00PM, 3:00 - 7:00PM
Wed 10:00AM - 2:00PM, 3:00 - 7:00PM
Thu 3:00PM - 7:00PM
Sat 10:00AM - 1:00PM

Office Hours

12:00PM - 3:00PM
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Hello. I’m Charles, Center Director of Mathnasium of Waldorf, your neighborhood math-only learning center. We help kids in grades K-12 understand math by teaching in a way that makes sense to them.

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:

  • Waldorf
  • LaPlata
  • White Plains
  • Clinton
  • Brandywine
  • Fort Washington
  • Accokeek

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

Robyn Harrison
My name is Robyn Harrison and I am new to the Mathnasium team. I have been an educator for 30 years. I am a native Washingtonian and attended both Howard University and The George Washington University. I have experience in public and private school settings, have worked with charter and homeschoo(...)



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

Summer Schedule

Apr 25, 2023 | Waldorf

Summer Hours

Jun 15, 2021 | Waldorf

Beginning Monday, June 21, 2021, Mathnasium of Waldorf will be switching to summer hours. We will be open Monday-Friday for instruction between 2:00pm- 6:00pm, and CLOSED on Saturday and Sundays. We will resume normal hours of operations in August. Ca..

Upcoming Events

Summer STEAM Camp
Jul 15, 2024 - Jul 19, 2024
Make math a memorable part of your child’s summer by enrolling them in Camp Mathnasium! It’s a fun a
More Events brn

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"Since day 1, Charles has been a great facilitator in ensuring my son understands the work and his passion for teaching kids is evident. "

— Carolina Pimentel


3022 Festival Way

Waldorf, MD 20601

United States