Welcome to Mathnasium of South Costa Mesa

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South Costa Mesa

  • 435 E 17th St, #7
  • Costa Mesa, CA 92627
  • Call (949) 637-6284

Hours of Operation

Instructional Hours

Mon 2:30PM - 7:00PM
Tue 2:30PM - 7:00PM
Wed 2:30PM - 7:00PM
Thu 2:30PM - 7:00PM
Sat 12:00PM - 3:00PM

Office Hours

Mon - Thu
12:00PM - 7:00PM
12:00PM - 3:00PM
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Hello, I'm Sammy Barbir the Center Director of Mathnasium of South Costa Mesa. We help kids in grades K-12 understand math by teaching the way that makes sense to them. We offer math lessons, math tutoring sessions and math homework help to students in elementary, middle and high school. We offer year round and summer programs to tailor your child's learning.

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:

  • Newport Harbor High School
  • The Pegasus School
  • Newport Elementary
  • Mariners Elementary
  • Newport Heights Elementary
  • Kaiser Elementary
  • Ensign Middle 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

Sammy Barbir
Sammy joined the Mathnasium team in 2020 at a center in Phoenix, Arizona. He started as an instructor and rose through the ranks to eventually become a well established Center Director. He is well-versed in Mathnasium's education and instruction and he has a passion for the Mathnasium mission of cha(...)



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

I Wouldn't Be Where I Am Without Mathnasium

Jan 13, 2022 | South Costa Mesa

Let me introduce you to Dylan, a 12-year-old Mathnasium student. Dylan (who is completely adorable, btw) says, "I would not be where I am today without Mathnasium."  Unfortunately, Dylan's math story started out on the wrong foot. It..

Mathnasium Has Boomed. Here's Why.

Jan 13, 2022 | South Costa Mesa

Mathnasium was created to fill a need. The need, which was obvious to Larry Martinek, was the struggle kids experienced in math class. The language of math, the pacing of the class, and textbook teaching styles all seemed to culminate in frustrated learne..

Upcoming Events

June Fun At Mathnasium!
May 10, 2024 - Jun 30, 2024
Make It A Mathnasium Summer!
May 10, 2024 - Aug 31, 2024
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South Costa Mesa

435 E 17th St, #7

Costa Mesa, CA 92627

United States