Welcome to Mathnasium of Lee's Summit

My daughter’s confidence in math is growing!


Jude has only been coming to Mathnasium for a month but we can already tell a difference in his attitude towar...


Offering free assessments!

Take advantage of this offer if you want to know where your child stands with their math skills! Give us a call, we look forward to your visit!

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Lee's Summit

  • 217 Rte 291
  • Lee's Summit, MO 64086
  • Call (816) 875-2705
  • Text (816) 550-5876

Hours of Operation

Instructional Hours

Mon-Fri 3:00PM - 7:00PM

Office Hours

3:00PM - 7:00PM
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Hello! I’m Barry Sanders, Owner and Center Director of Mathnasium of Lee's Summit, 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:

  • Lee's Summit High School
  • Lee's Summit West High School
  • Lee's Summit North High School
  • Pleasant Lea Elementary/Middle School
  • Summit Lakes Middle School
  • Campbell Middle School
  • Prairie View Elementary School

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 Sanders
Hi! My name is Barry Sanders. I have been a lover of mathematics all of my life! I received both a bachelor’s and a masters in math from the University of Missouri, Columbia. I have taught college algebra, linear algebra, statistics, and numerical analysis at the college level at the University o(...)



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

Our Summer Program

May 12, 2021 | Lee's Summit

We are excited to be able to offer a summer-only learning plan for those parents that want to keep thier student's skills sharp for next fall. We know from experince that we are a great resource for student's in any position, if you just want help..

An Introduction to @Home Video Conference Tutoring

Sep 27, 2020 | Lee's Summit

COVID-19 has created a unique situation for each of us. The instructors at Mathnasium want to do their part in slowing the spread without neglecting their local math students. Whether your student is currently struggling in their class, or their extra fre..

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"My daughter has so much more confidence! She strongly disliked Math before, and now she can’t wait to go to her tutoring sessions. She answers questions in class and her Math teacher has seen a huge improvement . Thank you, Mathnasium! 😊"

— S.G.

Lee's Summit

217 Rte 291

Lee's Summit, MO 64086

United States