S. Belle
We’ve had a great experience at Centennial Mathnasium! Both of my kids look forward to their sessions, and we'...
See more reviews here




S. Belle
We’ve had a great experience at Centennial Mathnasium! Both of my kids look forward to their sessions, and we'...
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 Centennial, 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 Centennial provide face-to-face instruction in a supportive and engaging group environment. We work with K-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 Centennial, 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 Centennial communities and schools, including:
Specially Trained and Caring Team
Maddie Sackett
Center Director
I have taken upper level math classes in college most focused on statistics and business analysis as I complete my Accounting Degree. I love to be active outside and involved in the community! On my free time you can find me hiking, fishing, rafting, enjoying live music, or trying a new restaurant!
Fun Fact: It is a goal of mine to visit very national park in America.
Favorite Number, Why?: 11 it has always been my mom's favorite number so growing up I used to as my sports number.
Education: I graduated from Chatfield Senior High School in 2020 and I will be graduating from Metropolitain State University in December 2025.
Why I Like Mathnasium: I love to watch kids grow a passion for math! The "ah-ha" moment is so cool to witness!!
Kassidy Shumway
Director of Operations / Co-Owner
Kassidy Shumway grew up in Bountiful, Utah, and graduated from Brigham Young University in 2011. While at BYU, Kassidy earned a Bachelor's of Science degree in Civil Engineering, was a TA in the math department, and also found time to be an All-American and a team captain and member of the BYU Women's Soccer Team. Kassidy has many years of experience coaching children of all ages in soccer. She has been helping students at Mathnasium since January 2013. Kassidy and her husband have two kids and two active dogs.
Fun Fact: I was in a video on YouTube with over 6 million views.
Education: Bachelor of Science in Civil and Environmental Engineering from BYU
Why I love Mathnasium: I love helping kids realize that math can be fun. My favorite part of my job is going into elementary schools and putting on Math Nights. Laughing and having fun with kids while we do math is so rewarding!
Clint Brown
CEO / Owner
Clint Brown spent the first 16+ years of his career working in marketing and advertising. From the small software start up to the $100M advertising agency, Clint has helped companies of various sizes grow and succeed. Clint has been involved with Mathnasium for several years and loves the rewarding experience of helping kids of all ages build math confidence.
Clint currently resides in Utah with his wife and 3 kids. Clint loves being in the outdoors hiking, canyoneering, skiing and more. He enjoys watching college football and cheering on the football team from the University of Utah.
Fun Fact: Clint summited Mount Kilimanjaro in Tanzania, Africa. Which reaches an elevation of 19,341'.
Education: Clint holds a B.S. in Electrical Engineering from the College of Engineering at the University of Utah.
Why I love Mathnasium: Helping kids realize that they can do math is one of the most rewarding things I've had the opportunity to experience in my career. Seeing a student gain confidence in their ability to do math can be life changing and working at Mathnasium allows me to see that happen every day.
Reed Brown
Owner
Reed has always loved math and enjoys helping kids learn to love math and how to use math in their daily lives. Reed earned a BS of Electrical Engineering degree from Brigham Young University and a Masters of Business Administration degree at Boise State University. Reed has spent over 25 years as a successful engineering and operations executive at Hewlett Packard, Quantum, and Iomega. In 2004, he decided to test his entrepreneurial skills and created Matchbin (now Radiate Media), a successful internet software company. Over the last 10 years, Reed has been active in the Utah technology community. As a member of the Governor's Technology Initiative Advisory Board for the State of Utah, he has helped to grow funding for engineering programs at Utah Universities and Colleges. Reed and his team is committed to helping children grow their interest and confidence in math and prepare them for a successful college education and career in technology, business, finance, medical, manufacturing, science, biology, or other fields that require strong math skills.
Fun Fact: I decided to become an Electrical Engineer because of 8th-grade shop project making a DC motor
Education: Bachelor of Science degree in Electrical Engineering from BYU and Masters of Business Administration degree from Boise State University
Brenna May
Instructor
Brenna is a junior at the University of Denver studying Emergent Digital Practices with a minor in French. A former AP Calculus BC and AP Statistics student, she’s made the Dean’s List and led the Tri-M Music Honor Society.
Outside of Mathnasium, Brenna enjoys video games, cooking, and was a competitive Irish dancer for nearly 10 years. Her favorite number is 10, the base of our number system and her birthday.
Kaden Wilson
Instructor
I've taken Calculus1-4, Probability, Algebra 1&2, and Pre Calculus. I've worked as a math tutor during my entire time at college. I enjoy playing video games and going on occasional walks through the neighborhood, as well as reading.
Fun Fact: I've known how to whistle since I was a little kid.
Favorite Number, Why?: 7, because it is always associated with luck.
Education: I went to Colorado State University Pueblo, Where I recently Graduated With a Bachelor's of Science in Engineering, along with a Minor in Mathematics. My Major Was Mechatronics Engineering.
Why I Like Mathnasium: I enjoy helping people, and any opportunity to do so is enjoyable for me.
Matthew Wheelis
Instructor
I have taken College Algebra, Trigonometry, Precalculus, Calculus 1, Calculus 2, and Calculus 3 (currently taking). I often help my siblings as well as classmates study and learn complex math that they may be struggling with. I enjoy playing guitar and piano, stargazing with my telescope, and reading physics books.
Fun Fact: I am completely self taught in guitar and piano. No one else in my family can play any instruments.
Favorite Number, Why?: My favorite number is actually π because it is an irrational number and a constant. I find it interesting that π goes on infinitely and never repeats itself as well as being used in almost every aspect of nature.
Education: I go to school at Arapahoe Community College and am working through my third year. I am a Chemistry major and I plan to receive my transfer degree in spring of 2026. After I transfer, my goal is to finish my Bachelor’s Degree in Chemistry and start working towards a PhD in Astrophysics at CU Boulder.
Why I like Mathnasium: I enjoy helping others learn math and find a sense of passion in it. I also believe that in return of helping others learn, it may grant me a larger perspective on the topic. I am a very logic minded individual and I believe that helping others learn about the subjects I’m passionate about will bring me some happiness and satisfaction.
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 Centennial is located on Briarwood Ave, on the corner of Arapahoe and Lima. We’re in a small, family-friendly shopping center with gyms, salons, and restaurants, making it convenient for families to stop by for math sessions.
We proudly serve students from Centennial, Littleton, Cherry Creek, and Aurora and students attending the following schools:
Cottonwood Creek Elementary
High Plains Elementary
Homestead Elementary
Heritage Elementary
Dry Creek Elementary
Greenwood Elementary
Cherry Creek Academy
Walnut Hills Elementary
Yes! Mathnasium of Centennial offers both in-center and online tutoring. Students can attend live, face-to-face sessions online or in person, led by the same specially trained tutors.
No. Whether students attend in person or online, they receive the same personalized learning plans and caring guidance in a supportive group environment.
We work with students in grades K–12 on a wide range of math classes and topics.
For younger students, we build strong foundations in arithmetic, number sense, and problem-solving. As students advance, we help with Algebra, Geometry, Trigonometry, and more. We also support test preparation for exams like the ACT®, SAT®, and school-based assessments.
We offer a flat monthly enrollment fee, along with a one-time start-up fee at the beginning of the program. Families can enroll month-to-month or choose longer-term options at a discounted rate. Most students benefit from attending 2–3 sessions per week. We recommend scheduling a free assessment to find the best plan for your child.
For more information, contact us at [email protected].
No. The cost remains the same whether your student attends sessions online, in person, or through a hybrid schedule.
Our assessment helps us understand students’ current skill level, learning gaps, and academic goals. These insights allow us to create a personalized learning plan tailored to their individual needs.
We use the Mathnasium Method™, our proprietary teaching approach that combines personalized learning plans with proven strategies. Our tutors teach math in a way that makes sense to each student, helping them build a deep understanding and confidence.
Yes! We work with K-12 students of all skill levels.
Students who are struggling with math receive structured support to close learning gaps and build confidence, while advanced learners are challenged with math enrichment programs and deeper problem-solving to extend their abilities.
Yes! We welcome students from public, private, and homeschool backgrounds in Centennial. Our individualized learning plans are a great fit for homeschool families seeking structured and effective math instruction.
Yes. During sessions, tutors set aside time to help students with their math homework, offering guidance and clarification to reinforce what they’re learning in school.
No. All learning and practice occur during sessions with our tutors, so students can make meaningful progress without additional take-home assignments.
Yes. We offer personalized test prep for standardized exams like the ACT®, SAT®, and school-based assessments. Our targeted strategies and instruction help students improve their scores and build test-taking confidence.
Schedule a risk-free assessment for your child, today! Give your child an edge this school year w...
Contact Us
We are a proud member of the My Spark Denver program which provides up to $1,000 to eligible middle ...
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Jan 6, 2026
11435 E. Briarwood, #500
Centennial, CO 80112
| Call: | (303) 995-3826 |
| Text: | (720) 638-1834 |
| Email: | [email protected] |
Mon-Thu
3:00PM-7:00PM
Fri-Sat
CLOSED
Sun
3:00PM-6:00PM
Mon-Thu
10:00AM-8:00PM
Sun
3:00PM-6:00PM
| Mon-Thu: | 3:00PM-7:00PM |
| Fri-Sat: | CLOSED |
| Sun: | 3:00PM-6:00PM |
| Mon-Thu: | 10:00AM-8:00PM |
| Sun: | 3:00PM-6:00PM |