Mathnasium 17050 Pilkington Rd, #110, Lake Oswego OR 97035 (503) 744-0544

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Upcoming Closure: 8/26-28 for End of Summer Transition. School year hours start Monday, 8/29!

Welcome to Mathnasium of Lake Oswego

Center Director
Hello. I'm Bruce Withycombe, Owner/Director of Mathnasium of Lake Oswego, your neighborhood math-only learning center. We help kids in grades K-12 understand math by teaching the way that makes sense to them.


When math makes sense, kids leap way ahead – whether they started out far behind or already ahead in math. Our formula for teaching kids math, the Mathnasium Method™ has transformed the way kids learn math for over a decade across 1,000+ centers in the US and Canada:

  • We know how to teach your child math.
    Our specially trained math instructors will teach your child how to understand math in an individual setting – our unique approach enables us to effectively explain math concepts and lend a helping hand to every student. Our tutors foster a caring, encouraging environment that helps kids thrive and learn!

  • We pinpoint your child’s learning needs, meet them where they are, and take them where they need to go.
    Mathnasium instructors use our unique assessment process to determine (with great accuracy) exactly what each child knows and what they need to learn. Next, we design a customized learning plan for teaching the concepts the student needs to master. It doesn’t stop there – our encouraging instructors continually check progress along the way to make sure kids truly understand and retain the concepts we’ve taught. The results are transformative – kids will see measurable changes in attitude, confidence, and school progress.

  • We will help your child overcome homework frustration.
    Our instructors will also set aside time to provide homework help. We help kids understand the homework assignment so they feel better prepared to complete the work at home – underscoring their understanding of concepts and transforming homework frustration into a welcome challenge.

About Our Center


Mathnasium of Lake Oswego has been making math make sense to kids in the Southwest Portland area since 2011. We offer both year-round math instruction and summer-only math programs. A local teacher said it best: "Of all the tutoring options available in Lake Oswego, the only one demonstrating consistent success is Mathnasium -- and kids actually like going there!"

Mathnasium of Lake Oswego is also a proud sponsor of local schools youth sports programs. What do others say about us? Check out our Online reviews here.

We serve Lake Oswego, Tigard, Tualatin, Dunthorpe and surrounding communities. Located in Lake Grove, we are at the intersection of Boones Ferry Road & Jean Way. Call us today for a FREE Trial!

Also available in your area, real-time face-to-face instruction over an internet connection.