C. Gutierrez
Our son has been enrolled in Mathnasium for about a month and has brought his geometry grade up to an A. It’s ...
See more reviews here




C. Gutierrez
Our son has been enrolled in Mathnasium for about a month and has brought his geometry grade up to an A. It’s ...
See more reviews here




w. zamor
Mathnasium Flemington is a great learning center and my son looks forward to every session. The owner, Gabby i...
See more reviews hereOur 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.
At Mathnasium of Flemington, our specially trained tutors use the Mathnasium Method™ to help students build a deep understanding of math. This proprietary teaching approach blends personalized learning plans with mental, verbal, visual, tactile, and written techniques, ensuring instruction is tailored to each student’s unique needs and learning style.
The Mathnasium Method™ is designed to create a solid foundation for math excellence, helping students truly understand—and even enjoy—math.
Our caring, specially trained math tutors in Flemington provide face-to-face instruction in a supportive and engaging group environment. We work with PreK-12 students of all skill levels, both in-center and online, to help them reach their full math potential.
Learn how Mathnasium tutors helped Malachi gain confidence in math.
At Mathnasium of Flemington, students receive personalized learning plans designed around a detailed assessment of their skill level, challenges, and academic goals.
This customized approach helps students learn at their own pace while strengthening critical thinking, problem-solving skills, and the confidence needed to succeed in math.
Discover how Mathnasium helped Maddie transform her math skills to achieve more confidence in the subject. Initially struggling with the lowest math grades in her class, Maddie worked with our tutors using a personalized approach tailored to her specific needs.
Math Tutors Near You
We specialize in math-only instruction with a customized and fun learning approach that delivers results. We proudly serve families in Flemington and neighboring Fremont 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.
Mathnasium of Flemington's personalized programs are designed to support students at every stage of their math journey.
For preschool and kindergarten learners, our caring tutors use engaging activities to introduce number sense, critical thinking, and problem-solving in a way that makes math feel fun and approachable.
We guide students through foundational topics—from basic operations to fractions, decimals, and percents—using proven techniques that build true understanding and confidence.
Middle schoolers receive personalized instruction that transforms abstract algebraic and geometric concepts into clear, logical steps they can master and even enjoy!
We support high school students through advanced courses like Algebra, Trigonometry, and Precalculus, while preparing them for SAT®, ACT®, and other math exams critical to college admissions.
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. Our location offers convenient access and is surrounded by family-friendly shops and restaurants.
We proudly serve students from the North Hunterdon-Voorhees Regional High School District, South Hunterdon Regional School District, Flemington-Raritan Regional School District, and Bethlehem Township School District, including those attending:
Barley Sheaf School
Copper Hill Elementary School
Robert Hunter Elementary School
Reading Fleming Intermediate School
JP Case Middle School
Hunterdon Central Regional High School
North Hunterdon Regional High School
Francis A. Desmares
Clinton Township Middle School
Readington Middle School
Immaculate Conception School Annandale
Holland Brook
Delaware Valley Regional High School
We work with Pre-K through 12th grade students of all skill levels.
We create personalized learning plans which can include everything from early childhood math and kindergarten readiness through our Great Foundations program, to high school enrichment and test prep programs, including ACT® and SAT® preparation
Yes! Mathnasium of Flemington offers both in-center and online tutoring.
Whether students attend in person or online, they receive personalized, face-to-face instruction from the same specially trained tutors in a supportive and engaging group environment.
No, there is no difference in quality between in-person and online tutoring at Mathnasium of Flemington.
Students who attend online receive the same personalized learning plans, supportive environment, and live instruction from the same caring tutors they would work with in our center.
We support students across a wide range of math classes and topics, from early arithmetic to Algebra and Geometry.
Working with our specially trained math tutors, students build skills, improve confidence, and develop a deeper understanding of math concepts.
We offer math-only tutoring through a flat monthly enrollment fee. For best results, we recommend that most students attend 2–3 sessions per week. To determine the optimal schedule for your student, please schedule a free assessment.
For enrollment details, contact us at [email protected].
No. Whether students attend in person, online, or in a hybrid format, the membership fees remain the same.
Each student begins their Mathnasium experience with a diagnostic assessment that identifies their current skill level, gaps in understanding, and academic goals.
These insights allow us to build a customized learning plan that supports long-term success in math.
At Mathnasium of Flemington, we use the Mathnasium Method™, a proprietary teaching approach that blends structure with personalized instruction.
We tailor each student’s learning plan to their needs and learning style, helping them build a strong foundation, improve problem-solving skills, and gain confidence as math thinkers.
Yes! Mathnasium of Flemington supports students at all skill levels.
Students who are struggling with math receive step-by-step instruction to close gaps and build confidence. Advanced learners are offered enrichment programs and personalized challenges that deepen their knowledge and expand their skills.
Yes! We work with students from all educational backgrounds, including homeschool families throughout Flemington and surrounding rural communities.
Yes. Our tutors set aside time during sessions to help students with their math homework, reinforcing key concepts and helping them stay on track with their schoolwork.
No. All instruction takes place during sessions with our specially trained tutors. We focus on meaningful progress in the center, without additional take-home work.
Yes! We help students prepare for standardized and school-based math tests, including state assessments, ACT®, PSAT®, and SAT®.
Our test prep programs include personalized learning plans, targeted practice, and strategies that build both skill and confidence.
Knowledge Hub
Jul 7, 2026
Jul 7, 2026
Jun 2, 2026
May 9, 2026
May 4, 2026
Mar 9, 2026
Feb 13, 2026
Jan 5, 2026
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 |