Welcome to mathnasium of Bethesda

James is the Best!!!!! We really enjoy working with him and his team online. He is the BEST communicator and ...

Kisha Smith

Highly recommend math tutor! Our son and daughter love and excel in math because of the great learning experie...

Natcha Thawesaengskulthai

Contact us


  • 4918 Fairmont Ave
  • Bethesda, MD 20814
  • Call (301) 652-6284

Hours of Operation

Instructional Hours

Mon-Thu (In-Center) 3:30PM - 7:30PM
Mon-Thu (Online) 12:00PM - 1:00PM, 3:00PM - 7:00PM
Sat (In-Center) 10:00AM - 2:00PM
Sun (In-Center) 2:00PM - 6:00PM
Sat-Sun (Online) 1:00pm - 5:00PM

Office Hours

1:30PM - 7:30PM
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Hello. We are Barry and Kathryn Fausnaugh the Owners/Center Directors at Mathnasium of Bethesda, your neighborhood math-only learning center. We provide proven, effective, and FUN (yes, kids love learning math here!) math tutoring to students K-12. Serving the Bethesda, Chevy Chase, Brookmont, West Bethesda, Cabin John, & North Bethesda areas.

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:

  • Bethesda
  • North Bethesda
  • Chevy Chase
  • Kensington
  • Washington, DC NW
  • MCPS, Charter, and Private Schools nearby Bethesda

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

Barry & Kathryn Fausnaugh
Barry and Kathryn Fausnaugh are experienced Mathnasium Center Owners and Directors, and dedicated to the success of the students at Mathnasium of Bethesda! They have owned and operated Mathnasium of Bethesda since 2012, when it opened as the first Mathnasium Learning Center in MoCo. Barry holds a (...)



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

MCPS Reports 31% Math Proficiency for Grade 3-8 Students

Jan 26, 2023 | Bethesda

MCPS testing identifies significant gaps in student math proficiency, grades 3 through 8. Click to read the article and learn more about how we can help today!

Nationwide Decrease in Math Schools Causes Concern

Dec 4, 2022 | Bethesda

Are you concerned that your student has developed gaps in their math knowledge/skills? Nationwide scores have dropped overall. Call or email today and we can talk about a plan to get your student moving forward again!

Find out how Mathnasium will work for your child

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"Our two grandchildren have been attending Mathnasium for 3 summers, and their math skills have noticeably improved."

— Francoise Reddy


4918 Fairmont Ave

Bethesda, MD 20814

United States

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