K. Mikesell
Before signing my kids up for Mathnasium, “math” was almost a dirty word in our house and their homework was a...
See more reviews here




K. Mikesell
Before signing my kids up for Mathnasium, “math” was almost a dirty word in our house and their homework was a...
See more reviews here




E. Furukawa
My daughter in 1st Grade loves attending Mathnasium. She can't seem to get enough and always asks if she can g...
See more reviews here
Mathnasium of Cathedral Heights's personalized geometry tutoring programs are designed to support students at every stage of their math journey.
We can introduce and guide middle school students through foundational concepts like angles, shapes, congruence, and basic measurement, building the spatial reasoning and logical thinking skills needed for high school geometry.
Our tutors follow personalized learning plans to help students master high-school-level geometry topics—triangles, circles, proofs, transformations, and the Pythagorean theorem. We make abstract concepts clear and manageable.
Honors students and competition participants can receive targeted support for challenging topics like advanced proofs, coordinate geometry, and complex problem-solving strategies that prepare them for college-level coursework and math competitions.
Our specially trained math tutors support students of all skill levels excel in geometry, whether they’re just starting out with basic geometric principles like lines and intersections, or working through complex theorems and coordinate geometry.
We provide personalized instruction in an engaging and empowering environment, guiding students step by step through the concepts they need to master and building their confidence in the subject.
At Mathnasium, we use the Mathnasium Method™, our proprietary teaching approach based on personalized learning plans and interactive teaching techniques. This proven approach is designed to make even the most abstract geometric concepts easy to understand and apply to everyday concepts.
We build upon what students already know, strengthening foundational skills and introducing geometry concepts in sequence, so they can truly understand and even enjoy the subject.
Each student begins with a diagnostic assessment where we identify their current skill level, detect any gaps in understanding, and map out their learning goals. Using these insights, we create a personalized learning plan that guides them toward mastery of geometry.
Our tutors follow each student’s personalized learning plan while using proven, interactive teaching techniques. That way, students build a deep understanding of all important geometry concepts, including angles, transformations, congruence, and similarity.
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.
Geometry Tutors Near You
Mathnasium’s specially trained geometry tutors work with students across the 20007, 20008, 20015, 20016, and 20816 zip codes. We proudly serve families throughout Cathedral Heights and nearby areas, including:
Specially Trained and Caring Team
Riss Mendizabal
Center Director
Riss was born in Matanzas, Cuba, and grew up in Miami, graduating from Ransom Everglades. With a passion for education, Riss previously taught for Breakthrough Miami, where they saw firsthand how vital a strong math foundation is for lifelong success.
Now as Center Director, Riss is dedicated to helping students thrive by making math understandable and fun. When not at Mathnasium, Riss enjoys cooking and spending time with Lenny, their lively 7-year-old lab. They’re proud to lead a center where curiosity is encouraged and students grow in both confidence and skill every day.
Jenny Colletti
Director of Education
Jenny brings over a decade of math education experience and a deep belief that every child can become a confident problem solver. A University of Miami graduate with a dual major in Mathematics and Sociology, she has been with Mathnasium since 2013. Jenny loves helping students discover multiple ways to approach problems and watching their critical thinking blossom.
She brings warmth, creativity, and insight to every session, and finds joy in watching students realize their potential. Jenny’s mission is simple: to make math feel possible, exciting, and even fun—one student at a time.
Elizabeth Fraga
Director of Operations
Elizabeth blends her background in psychology with her passion for education to ensure every Mathnasium center runs smoothly and supportively. A Florida International University graduate and proud mom of two boys, she understands how kids learn best and how to create environments where they can grow.
Whether she’s mentoring staff, supporting students, or cheering from the sidelines at a baseball game, Elizabeth believes in the power of patience, positivity, and snacks. She’s committed to helping every child gain confidence and success in math, and loves being part of a team that makes learning both effective and enjoyable.
Laura Hamel
Owner
Laura co-founded Mathnasium alongside her husband Jonathan, bringing a shared love of education and children into the community. A Wake Forest University graduate with a degree in Business, Laura is also a busy mom of three boys, giving her firsthand insight into the academic needs of families.
Since opening their first center in 2014, she’s been dedicated to making math make sense for students of all ages. Laura’s favorite part of her role is welcoming parents and students into a caring, engaging space where confidence grows and math becomes less intimidating—and even fun.
Jonathan Hamel
Owner
Jonathan holds a BA in Economics from Wake Forest University and an International MBA from the University of South Carolina and Wirtschaftuniversität Wien in Austria. With nearly 20 years in finance, he knows how vital strong math skills are for success. He brings that knowledge to Mathnasium, where he helps kids build confidence like athletes building muscle through training, encouragement, and the right tools.
As a former lacrosse player and current volunteer coach for his sons' team, Jonathan loves working with kids and believes math mastery is a game-changer for academic and real-world success.
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 the geometry concepts they still need to learn.
FAQ
Mathnasium of Cathedral Heights is located at 3706 Macomb St NW, Washington, DC 20016, directly across the street from Giant and Cactus Cantina. Our center is easily accessible and provides convenient parking for families in the area.
Students can attend sessions in person or join live, face-to-face online geometry tutoring with our caring tutors in Cathedral Heights.
We proudly serve families from Cathedral Heights and nearby Northwest DC neighborhoods. Local schools we support include:
Oyster-Adams Bilingual School
Washington International School
Yes! We support students in both middle and high school, including those enrolled in standard, honors, or advanced geometry courses.
We help students learn and master K–12 geometry topics like:
Angles, triangles, and plane figures
Circles and polygons
Transformations: reflections, rotations, translations, and dilations
Coordinate geometry: distance, midpoint, slope
Congruence and similarity
Volume and surface area of 3D shapes
Logic, reasoning, and writing proofs
These topics can be built into the student's personalized learning plan based on their unique needs and goals.
We use the Mathnasium Method™, a proprietary teaching approach designed to promote math mastery. It starts with a diagnostic assessment to identify each student's current skill level, knowledge gaps, and goals.
Based on those insights, we develop a personalized learning plan and provide face-to-face instruction, either in-center or online, in a caring and fun group environment. Our tutors use a combination of visual, verbal, mental, tactile, and written strategies to make geometry clear and engaging.
Many students come to us confused or frustrated with geometry. To help them transform their relationship with the subject, we meet them where they are on their math journey, break down complex concepts into manageable steps, and provide ongoing guidance at their pace.
Our caring tutors focus on building both skills and confidence, so students feel supported and capable.
Absolutely! For advanced learners, we offer enrichment opportunities that include challenging proofs, multi-step problem solving, and real-world applications to deepen their geometric thinking.
Yes. Our tutors do set aside time during sessions for homework support. Beyond helping students work through assignments, we focus on strengthening their understanding of the concepts behind the problems so they can approach similar questions with confidence on their own.
Certainly! We can align our instruction with classroom goals or DC standards to help students prepare for quizzes, unit tests, final exams, and standardized assessments like the DC STAR and the SAT®.
Yes! Students can participate in live, face-to-face online sessions and receive the same high-quality instruction and caring guidance from our tutors in Cathedral Heights.
At Mathnasium of Cathedral Heights, we focus exclusively on math.
We follow the Mathnasium Method™, a proprietary teaching approach designed to promote math mastery. Our tutors follow personalized learning plans and teach in a way that makes sense to each student in a supportive, engaging environment.
Yes! When appropriate, we can align personalized learning plans with DC academic standards and classroom goals to support classroom success.
At Mathnasium of Cathedral Heights, the cost of math tutoring depends on your student's individual learning plan and session schedule. Students usually attend a couple of sessions per week for a flat monthly membership fee.
For specific pricing information, please contact our center directly. We're happy to walk you through the options and find a plan that fits your student's goals and your family's needs.
Getting started is easy! Contact us or schedule an assessment to get started.
Once we understand your student's skills and goals, we'll create a personalized learning plan and begin sessions, often within just a few days.
Knowledge Hub
3706 Macomb St NW
Washington, D.C., DC 20016
| Call: | (202) 888-6882 |
| Email: | cathedralheights @mathnasium.com |
(In-Center)
Sun
1:00 PM - 5:00 PM
Mon - Thu
3:30 PM - 7:30 PM
Fri
3:30 PM - 7:00 PM
(Online)
Sun
2:00 PM - 5:00 PM
Mon - Thu
4:00 PM - 8:00 PM
Sun
1:00 PM - 5:00 PM
Mon - Thu
3:30 PM - 7:30 PM
Fri
3:30 PM - 7:00 PM
| (In-Center): | |
| Sun: | 1:00 PM - 5:00 PM |
| Mon - Thu: | 3:30 PM - 7:30 PM |
| Fri: | 3:30 PM - 7:00 PM |
| (Online): | |
| Sun: | 2:00 PM - 5:00 PM |
| Mon - Thu: | 4:00 PM - 8:00 PM |
| Sun: | 1:00 PM - 5:00 PM |
| Mon - Thu: | 3:30 PM - 7:30 PM |
| Fri: | 3:30 PM - 7:00 PM |
Have questions? Contact us.