Welcome to Mathnasium of Fullerton

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Summer Programs

Make Mathnasium Part of Your Summer Plans.

Summer BOGO!

Earn one FREE month of Mathnasium with the purchase of a 6 month upfront enrollment!

Schedule Free Assessment

Contact us


  • 1947 W Malvern Ave
  • Fullerton, CA 92833
  • Call (714) 646-6636

Hours of Operation

Instructional Hours

Mon 1:00PM - 6:00PM
Tues 1:00PM - 6:00PM
Wed 1:00PM - 6:00PM
Thu 1:00PM - 6:00PM
Fri 1:00PM - 5:00PM

Office Hours

10:30PM - 6:30PM
10:30PM - 6:30PM
10:30PM - 6:30PM
10:30PM - 6:30PM
10:30PM - 5:30PM
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My name is Lindsay Morgan, and I am the Owner of the Mathnasium of Fullerton. Each day, I make it my goal to ensure that students have an effective, engaging and encouraging learning experience that cultivates an intuitive understanding of math.

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:

  • Robert C. Fisler School
  • Golden Hill Elementary
  • Aborland Montessori Children's Academy
  • Beatty Elementary School
  • Beechwood School
  • Brookhaven Elementary
  • Laguna Road Elementary School



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

Building Math Success from a Strong Foundation

Jul 28, 2021 | Fullerton

  Unlike many academic subjects, math builds upon itself level by level, so it’s important to start with a strong foundation. The proven Mathnasium MethodTM forms the foundation for math mastery through deep understanding, with carefully se..

Summer Is the Season for Accelerating Math Skills

May 26, 2021 | Fullerton

Spring is the season of new beginnings. When flowers start to bloom, trees shake off the doldrums of winter and turn green, animals awaken from their winter slumbers and the earth seems to spring back to life (see what we did there?). Even in a year un..

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1947 W Malvern Ave

Fullerton, CA 92833

United States