Our staff is built to teach each student individually, to develop the skills they need to thrive in mathematics, and to foster a love of learning.

Katie Bartelt

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. 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

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

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.

Daryl Breithaupt

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 village 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 Mathnasium. 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!

Aaron Smiley

Lead Instructor
Aaron has a Bachelors of Science in Mathematics from the University of Arkansas. He currently teaches math at a local high school. He has always enjoyed learning math and loves to help others reach their full potential. I enjoy spending my free time playing woodwind instruments, learning French and playing with my dog, Seven.. Favorite Number: -1 I love Mathnasium because..... I get the opportunity to show kids how useful and effective math can be. Fun Fact: I can play the saxophone

Our Mathnasium Mission

Teach children math so they understand it, master it, and love it. Math can change their lives, and they can change the world.

What I love about Mathnasium is the ability to teach problem-solving skills and make math make sense, while also making a student smile.
Amber W., Mathnasium Instructor

Schedule Your Math Skills Assessment Today

Want to join the Mathnasium team?

Are you interested in changing lives through math? We're looking for outstanding individuals with a high level of commitment who are passionate about teaching math. Find out if there's a Mathnasium position that's just right for you!

Explore Employment Opportunities