Welcome to Mathnasium of Northwest Seattle

It's made a world of difference for my son's confidence in his math skills!


My kid loves mathnasium. She comes home excited about all she is learning. It’s a great program and has really...

Maria Welbourn

Contact us

Northwest Seattle

  • 1400 NW Market Street, #106
  • Seattle, WA 98107
  • Call (206) 588-0460

Hours of Operation

Instructional Hours

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

Office Hours

9:00 AM - 1:00 PM
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Hello. I'm Andrew Tempest, Owner and Center Director of Mathnasium of Northwest Seattle, your neighborhood math-only learning center. We help students in grades 1 - 12 understand math by teaching the 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:

  • Ballard
  • Fremont
  • Greenlake
  • Greenwood
  • Magnolia
  • Phinney Ridge
  • Wallingford



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

August 2023 News & Updates

Aug 4, 2023 | Northwest Seattle

June 2022 Update

Jun 15, 2022 | Northwest Seattle

Find out how Mathnasium will work for your child

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"My son has already gained confidence in his math skills at school I believe largely due to Mathnasium. "

— A.W.

Northwest Seattle

1400 NW Market Street, #106

Seattle, WA 98107

United States