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Mathnasium 103 SW Winsted Ln, #13, Bentonville AR 72712 (479) 657-3000

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Mathnasium of Bentonville has resumed in-center instruction. With our personalized learning plans, Mathletes can benefit from either Mathnasium @Home video conference instruction or in-center instruction. Which is the best fit for your family? Call today to learn more about the Mathnasium Method and how we can help your child’s math learning continue without interruption

Our Team

Our specially trained math instructors will teach your child how to understand math in an individual setting; our unique approach enables us to explain concepts really well and lend a helping hand to every student. Our tutors foster a caring, encouraging environment that helps kids thrive and learn! Read below to learn more about our talented team:

Our staff members are highly qualified and rigorously trained individuals who must first pass a comprehensive set of assessments covering all aspects of mathematics before even being considered for the Instructor position.  Background checks are an essential part of the hiring process as is a "trial run" interaction with the students. Our instructors are required to undergo continuous training. Drop by to meet the instructors and owners anytime!



Royal Hart, Center Director

Royal grew up in Lowell, Arkansas, in a family of teachers – her mom teaches chemistry, her dad teaches mathematics, and her middle sister is  studying to become a special education teacher. After graduating from  Roger’s High School, Royal pursued her life-long love of education at the   University of Arkansas. There, she served as an ambassador for the U of A’s ground-breaking program “UATeach”, where she developed state of   the art instruction techniques and had hands on experience teaching at local elementary schools. She also worked as an instructor at the U of A’s summer engineering programs, which empower local children to pursue careers in STEM fields. Now a graduate with a degree in Industrial   Engineering and a minor in Accounting, Royal pours her combined passions for engineering, mathematics, and teaching into her work as the Center Director for the Bentonville Mathnasium.

Favorite Number: 2

Favorite Math Joke: Q:  Why does the math teacher love the forest?

A: Because of all the natural logs!

Fun Fact:  ​I am really good at sewing.  I help make my friends' Halloween costumes each year and even clothing for myself.

I love Mathnasium because..... it has a unique and effective way of teaching kids math



 Katie Bartelt, Owner 

 Katie holds a BA and a Masters from the University of Arkansas.  After getting her masters, Katie pursued a career in teaching and was a math teacher at Bentonville High School for five years and taught Algebra II and IB Math Studies.  Katie has always loved math and has a passion to make math understandable to those around her.  She has always loved tutoring students inside and outside of school and helping them to understand and love math.  Katie and her husband Nick have three young sons.  Katie loves spending extra time reading, playing sports, and any activities with her husband and three sons.

Favorite Number:  11, because I have always liked odd numbers.

Be rational get real cartoon pi


Favorite Math Joke: 

 I love Mathnasium because..... the curriculum builds a true understanding of math and numbers and helps students be successful and have fun with math.

Fun Fact: Katie loves watching and playing sports and is a big Razorback fan!  Go Hogs!



Larry Martinek, Creator of the Mathnasium Method


Larry Martinek, Chief Instructional Officer, Developer of Mathnasium Program. 

Larry has spent his entire career finding a better way to teach math. From inner city to public schools, to acclaimed magnet schools, to leading private and parochial schools, Larry has served as both a classroom teacher and as an educational consultant. He has designed curriculum, teaching strategies, and teaching materials designed to help students and teachers learn math more effectively. He has trained teachers in the art and science of boosting students' ability to “do” math, thereby increasing students' math scores and feeling of self-worth. Larry is the developer of Mathnasium’s educational program – one of the most comprehensive and innovative curriculas ever produced for teaching math.

While Larry is not an Instructor at our Center, he is a valuable asset we can call on to ask about specific students' scenarios for guidance and advice. This has helped to make visits more productive and enjoyable for many of our students. 



 Amanda Rhodes, Assistant Center Director

  Amanda has her BS in Mathematics with a Minor in Statistics from       Arkansas State University.  She is an Adjunct Instructor at Northwest   Arkansas Community College and the Assistant Center Director at   Mathnasium of Bentonville.  Amanda and her husband Jake have two   kids, two fur babies, and a snake.  She enjoys teaching math because   she likes helping others to understand something they didn’t before.


 Favorite Number: 3.1415… Pi; Pi Day of the Century is when I   married my husband Jake.

 Favorite Math Joke: Q: Did you hear the one about the Statistician?

                                      A:  Probably

 Fun Fact: Amanda plays roller derby when she can.



 Norman North, Instructor

Norman is orginally from New England and is a Vietnam Era Verteran.   He has a degree in Physics and is taking extra courses at the University of Arkansas.  Norman loves teaching all levels and helping students any way he can.

I love Mathnasium because…. it is great for all ages, even me!

Favorite Number: 7








 Bryan Williams, Instructor

Bryan moved to Arkansas from Memphis, TN.  He is a sophomore at Bentonville West High School.  He loves helping students at school in science and math.  Bryan loves to run, dance, sing, exercise, and play basketball.  His specialty is taking a complex subject and making it more understandable.  

Favorite Number: 4

I love Mathnasium because…. it goes at each students' own pace but is still challenging.

Fun Fact: Bryan likes to dance and workout.







Justin Benish, Lead Instructor

Justin graduated from the University of Arkansas with a degree in Computer Science and a minor in Mathematics.  Justin has loved math since the beginning of high school when a teacher made it seem understandable and interesting to him. He hopes to be able to inspire young kids at Mathnasium in the same way.

Favorite Number: 11

I love Mathnasium because…. it guides kids to being successful at math in an easy to understand and fun way 

Favorite Math Joke: Why did 7 eat 9? Because you're supposed to eat 3 squared meals a day.

Fun Fact: Justin likes to read and play video games in his spare time.




Julien Tardy, Instructor

Julien graduated from the University of Arkansas with a Bachelors in Mathematics. He is now aspiring to become a full time math teacher with tutor because he find it to be extremely fulfillling to help young minds gain important knowledge that will help them grow and be successful.

Favorite Number: 12

I love Mathnasium because…. Mathnasium's personalized approached to teaching is fun and rewarding

Favorite Math Joke: Why is 6 afraid of 7? Because seven eight nine!

Fun Fact: I am from France and speak 3 languages





Aniket Gupta, Instructor

Aniket is currently a Junior at Bentonville High School. He loves taking AP classes and is on an advanced track in almost all subjects, especially STEM. He is a member of BHS' Quiz Bowl Team, Mu Alpha Theta club and Key Club. He was also the Vice Principal and Treasurer of a Toastmasters Club in India, where he gained valuable leadership and mentoring experiences. In his free time Aniket likes to read novels and newspapers, paint, play tennis, and travel. He enjoys programming due to its heavy usage of logic and math, and plans to major in computer science in college.

Favorite Number: 3

Favorite Math Joke:Why cant a nose be 12 inches long? Because then it would be a foot.

I love Mathnasium because…. It stops children from thinking that math is hard

Fun Fact: I am fluent in English, Hindi and french and dabbles in many other languages.






Anna Fryer, Instructor

Anna grew up in Bentonville, AR and goes to Bentonville High School. Throughout her educational career she has attended Arkansas Classical Academy and Haas Hall. She is currently an Ignite Global Business studnet studying economics and obtaining her commercial drone license. She plays lacrosse and is actively involved in her church group, which takes up most of her time.

Favorite Number: 1

Favorite Math Joke: Why was the math lesson so long? The teacher went off on a tangent

I love Mathnasium because…. It provides a judgement-free zone to ask math questions

Fun Fact: I love cooking for my family and friends




Anish Guntreddi, Instructor

I was born in india,  but raised in Atlanta, Georgia.  I have become interested in computer science and technology and want to go to college majoring in computer science and STEM fields. I love working with kids and have taught kids how to code, coached a middle school robotics team, and also interacted with kids at my local library during my volunteering time.

Favorite Number: 7

I love Mathnasium because…. it fosters a positive and diverse environment for kids to learn math and takes a unique approach by offering different incentives.

Favorite Math Joke: Have you ever noticed whats odd? Every other number!

Fun Fact: I am a varsity tennis player for Bentonville High School and have played from 9th-12th grade




Daryl Breithaupt, Instructor

Daryl grew up in Rogers, graduating from Westside, Oakdale, and Rogers High School. He studied at Hendrix earning a double major in Chemistry and REligious Studies. Daryl then completed nearly 4 years of service in the US Peace Corps living in a rural villiage of approx. 250 people in Niger, West Africa. Upon his return he completed a B.A. and M.A. at St. John's College in Santa Fe, NM. Along the way Daryl developed a love and appreciation for mathematical thought from the ancients to the moderns and would very much like to share that affinity with the learning community at Mathasium.

Favorite Number: Graham's Number! It will literally explode your mind!

Favorite Math Joke: Math is no joking matter! Seriously, tell whoever said that I want to know!

I love Mathnasium because…. Learning with others is always worthwhile and Mathnasium is a great place to experience that!