N. Dave
Mathnasium at Flemington is a great place for your kid if you want them to excel in maths. Gabby (center head)...
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N. Dave
Mathnasium at Flemington is a great place for your kid if you want them to excel in maths. Gabby (center head)...
See more reviews here




a. cortez
My first-grade daughter has made enormous progress since joining Mathnasium of Flemington. She’s now doing add...
See more reviews here
We support students who love math with personalized enrichment, with programs for high-achieving elementary learners to competition preparation and advanced topics that inspire curiosity and mathematical excellence.
High-achieving elementary school students explore advanced concepts beyond grade-level through our specialized program focused on algebraic thinking, justification and reasoning, strategic problem-solving, and flexible number sense that builds foundations for future success.
We prepare students for math competitions, including AMC, MathCounts, and Math Olympiad, through expert training in advanced problem-solving strategies, pattern recognition, and creative thinking techniques needed to excel in competitive settings.
Students preparing for or currently enrolled in honors and accelerated courses receive targeted support that builds mastery of advanced topics, strengthens problem-solving skills, and develops the confidence needed to excel in rigorous coursework.
Mathnasium of Flemington welcomes students in Flemington who are performing at or above grade level to our personalized math enrichment program.
Whether your student wants to explore new topics, apply for accelerated programs, or prepare for tests and competitions, our program provides the structure and support to reach their full potential.
Our math enrichment program is powered by the Mathnasium Method™, a proprietary approach that builds deep conceptual understanding.
We help students connect the dots between topics and develop logical thinking, precision, and confidence. Sessions are delivered through live, face-to-face instruction in a caring and engaging group environment, both in-center and online.
Each student begins their Mathnasium journey with a diagnostic assessment, allowing us to create a personalized learning plan that goes beyond the school curriculum.
Whether they want to deepen their understanding of grade-level topics or dive into more advanced material like algebra, geometry, or number theory, we build a roadmap tailored to their goals.
Our Results
94%
Math Skills
of parents report an improvement in their child’s math skills and understanding.
93%
Attitude
of parents report improved attitude toward math after attending Mathnasium.
90%
Success
of students saw an improvement in their school grades.
Our Results
The Proof Is In The Numbers
Math Skills
of parents report an improvement in their child’s math skills and understanding.
Attitude
of parents report improved attitude toward math after attending Mathnasium.
Success
of students saw an improvement in their school grades.
Math Enrichment Near You
Our specially trained tutors help advanced students in Flemington expand mathematical thinking through enrichment opportunities. We proudly serve local communities, including:
Specially Trained and Caring Team
Gabbi Flachs
Owner/Center Director
Gabbi Flachs is the Owner and Center Director at Mathnasium of Flemington. With a Master’s in Education and a background as a math teacher, she is deeply committed to helping every student succeed by making math understandable and even fun.
Gabbi carefully selects passionate instructors and fosters an environment where students feel supported and empowered to build their math skills. She believes in the power of the Mathnasium Method™ to meet students where they are and guide them to new levels of understanding. Gabbi is always happy to connect with families and help shape a strong future for every child.
Alex
Instructor
Alex combines a strong technical background with a love for teaching. With a Master’s Degree in Materials Science and Engineering, he has experience teaching students from elementary levels all the way through calculus.
At Mathnasium, Alex focuses on helping students build both confidence and problem-solving skills. He brings energy and patience to every session, always encouraging students to think critically and enjoy the learning process. When he’s not teaching math, Alex enjoys composing music, playing piano, and spending time outdoors hiking.
Derek
Instructor
Derek combines a strong mathematical background with a passion for helping students succeed. Having completed advanced math through Calculus in highschool and continuing his coursework in college, he is currently studying to be a full-time educator.
At Mathnasium, Derek thrives in the fast-paced environment, bringing energy and patience to every session. As an aspiring teacher, he is dedicated to helping students tackle any challenge and build confidence. When he is not teaching math, Derek stays active by volunteering with a local basketball program, participating in his college fundraising club, traveling, and watching movies.
Chris
Instructor
Chris is a State Certified Math Teacher with a passion for helping students learn, grow, and gain confidence in their math skills. With a strong belief in the power of education, Chris finds deep satisfaction in making a difference in students' lives through personalized instruction and encouragement.
Outside the classroom, Chris enjoys solving puzzles and playing board games which are all activities reflecting a love for strategy, logic, and fun! As an Eagle Scout, Chris also brings a strong sense of leadership and perseverance to everything he does.
Chris is extremely passionate about being a part of the Mathnasium team and is committed to making math make sense for every student!
Sona
Instructor
Sona has been in advanced math since 7th grade and is currently taking Honors Precalculus. Outside the classroom, she participates in the Knitting and Crocheting Club, Code Club, and also plays the piano. In her free time, she enjoys crocheting and drawing.
Sona's favorite part of working at Mathnasium is teaching kids and helping them understand concepts they can use in the future.
Vivaan
Instructor
Vivaan brings a strong foundation in Honors-level math classes, paired with a passion for helping students succeed. He enjoys working closely with students and collaborating with fellow staff to create a positive learning environment.
Outside of math, Vivaan is active in debate, HOSA, and community outreach programs, and has interned at a nonprofit focused on brain tumor research. He’s also a dedicated athlete on his school tennis team and has played the drums for over seven years, combining discipline and creativity in everything he does.
Anna
Instructor
Anna has been part of advanced math programs since third grade and is currently taking calculus along with math-based science courses like physics and chemistry. She is an active member of her school’s tennis team and participates in HOSA as well as various STEM and service clubs.
Outside of academics, Anna enjoys playing the piano, public speaking, video editing, and learning new languages. Her favorite part about working at Mathnasium is connecting with students through shared experiences and hobbies, making learning math both fun and meaningful.
Whether they would like to attend sessions in-center or online, students can take 3 easy steps to enroll at Mathnasium.
All students begin their Mathnasium journey with a diagnostic assessment that pinpoints what they already know and what they still need to learn.
FAQ
Mathnasium of Flemington is located in the Flemington ShopRite Plaza, around the left side of the building by Basil Bandwagon, providing easy access for families in Flemington and surrounding communities including Readington, Clinton Township, Three Bridges, Frenchtown, Hampton, and Delaware Township.
Students can attend our math enrichment program either in person at our learning center or through live, face-to-face online instruction with the same specially trained tutors.
We proudly serve students from across the area, including local schools such as:
Barley Sheaf School
Copper Hill Elementary School
Immaculate Conception School Annandale
Holland Brook
Robert Hunter Elementary School
Reading Fleming Intermediate School
Francis A. Desmares
Clinton Township Middle School
Readington Middle School
Delaware Valley Regional High School
JP Case Middle School
Hunterdon Central Regional High School
North Hunterdon Regional High School
Our math enrichment program is designed for PreK-12 students who are performing at or above grade level and are ready to go further in their math education.
The program is a great fit for students who want to:
Explore math concepts beyond their standard school curriculum
Sharpen logical reasoning and problem-solving abilities
Prepare for math competitions or accelerated coursework
Apply for honors or advanced math programs
Build a lasting interest in higher-level mathematics
Absolutely. Our enrichment program is well suited for students who are already working in honors or accelerated math settings and want to go even further.
We build a personalized learning plan around each student's current coursework and goals, giving them the targeted challenge they need to deepen their understanding, keep pace with rigorous expectations, and build the confidence to excel.
We can! Our specially trained tutors are happy to align instruction with the demands of your student's honors or advanced math class, helping them build the skills and confidence they need to excel on upcoming exams.
Yes! Our Competition Mathematics program is specifically designed for students preparing for events such as:
AMC (American Mathematics Competitions)
MATHCOUNTS®
Math Olympiad
Mathematical Kangaroo™
And other competitive math settings
We follow the Mathnasium Method™, our proprietary teaching approach designed to promote math mastery through personalized instruction, diagnostic assessments, and interactive learning.
Each student begins their Mathnasium experience with a diagnostic assessment so we can identify their current skills, strengths, and goals. From there, we create a personalized learning plan that challenges and motivates them to progress through advanced concepts at their own pace.
Sessions are delivered through live, face-to-face instruction in a caring and engaging group environment, either in-center or online.
Yes. While our enrichment program is designed primarily for students performing at or above grade level, we understand that every student's math journey looks a little different.
If your student has potential and real enthusiasm for going further in math, our tutors will work with them to build the foundational skills they need while weaving in enrichment-level thinking and challenges at a pace that fits where they are right now.
The diagnostic assessment allows us to understand exactly where your student is in their math journey, including their current strengths, areas ready for deeper exploration, and enrichment goals.
We use these insights to create a personalized learning plan that provides the right level of challenge from day one, so students feel motivated and appropriately stretched from the very first session.
Absolutely! While our enrichment instruction typically goes beyond grade-level material, our tutors understand the New Jersey Student Learning Standards for Mathematics and can align personalized learning plans with each student's school curriculum and long-term academic goals, including:
Moving into accelerated or honors math tracks
Preparing for advanced courses such as Algebra, Geometry, or beyond
Building skills needed for ISEE® and SSAT® exams
Supporting key academic transitions, such as from middle to high school math
Yes! At Mathnasium of Flemington, your student can join live, face-to-face sessions online.
Students follow the same personalized learning plan and receive the same caring instruction from our Flemington tutors whether they attend sessions in person or online.
Math enrichment at Mathnasium of Flemington is offered through a flat monthly membership fee, with the specific cost depending on your student's personalized plan and session frequency.
For pricing details, please reach out to us directly at [email protected]. We're happy to walk you through the options and help you find a plan that fits your student's goals and your family's needs.
Getting started is simple! Contact us or schedule a free assessment to begin.
During the assessment, we'll learn about your student's current skills, interests, and enrichment goals, and use those insights to build their personalized learning plan.
Most students begin their Mathnasium sessions within just a few days of their assessment.
Knowledge Hub
Jul 7, 2026
Jul 7, 2026
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Sep 10, 2025
Aug 20, 2025
276 Route US-202/31, #110 (next to the Basil Bandwagon Natural Market)
Flemington, NJ 08822
| Call: | (908) 336-2841 |
| Text: | (908) 336-2841 |
| Email: | [email protected] |
Monday
3:00PM - 7:00PM
Tuesday
3:00PM - 7:00PM
Wednesday
10:00AM - 12:00PM
Wednesday
3:00PM - 7:00PM
Thursday
3:00PM - 7:00PM
Friday
10:00AM - 1:00PM
Mon-Sun
9:00AM - 7:00PM
| Monday: | 3:00PM - 7:00PM |
| Tuesday: | 3:00PM - 7:00PM |
| Wednesday: | 10:00AM - 12:00PM |
| Wednesday: | 3:00PM - 7:00PM |
| Thursday: | 3:00PM - 7:00PM |
| Friday: | 10:00AM - 1:00PM |
| Mon-Sun: | 9:00AM - 7:00PM |
Have questions? Contact us.