Welcome to Mathnasium of Mercer Island

Mathnasium and Mr. G are awesome! My son’s math skills and confidence have improved tremendously in only one m...

Jessica Trufant

A major bonus is that our son loves going to Mercer Island's Mathnasium. He was behind in math because of bein...

Beck Stanley

Contact us

Mercer Island

  • 2448 76th Avenue SE, #101-B
  • Mercer Island, WA 98040
  • Call (206) 535-6669
  • Text (425) 246-1634

Hours of Operation

Instructional Hours

Mon-Thu 3:00PM - 7:00PM
Sat 10:00AM - 2:00PM

Office Hours

3:00PM - 7:00PM
10:00AM - 2:00PM
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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:

  • Island Park Elementary
  • Lakeridge Elementary
  • Northwood Elementary
  • West Mercer Elementary
  • Islander Middle School
  • Mercer Island High School
  • French American School of Puget Sound

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

Husam Gazioglu
Husam is the Center Director at Mathnasium of Mercer Island. Prior to opening his Mathnasium center, Husam worked in various roles in Product and Program Management (SMART Technologies, Telecommunications Systems, AirTies Networks, Vidiator Technologies, Luxxon, AG Communication Systems, GTE) speci(...)



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

Want to Raise Mentally Strong Kids? Do These 3 Things (Most Parents Don't Do Any of Them)

Sep 6, 2017 | Mercer Island

All kids have the ability to develop mental muscle. We just need to teach them how. Challenges, hardship, and setbacks are inevitable. Teaching kids to build mental musclehelps them become resilient. It's also the key to helping the..

Why there is no such thing as a gifted child

Sep 6, 2017 | Mercer Island

Even Einstein was unexceptional in his youth. Now a new book questions our fixation with IQ and says adults can help almost any child become gifted When Maryam Mirzakhani died at the tragically early age of 40 this month, the news stories talked of her..

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"Mathnasium has been amazing for our kids. They went from disliking math to math being their favorite subject! They are now confident when it comes to math. "

— C.K.C.

Mercer Island

2448 76th Avenue SE, #101-B

Mercer Island, WA 98040

United States