M. N
Since starting with Mathnesium, my daughter has made significant improvements with her Math grades. She has ma...
See more reviews here




M. N
Since starting with Mathnesium, my daughter has made significant improvements with her Math grades. She has ma...
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 Dedham, our tutors use the Mathnasium Method™ to help students develop a deep understanding of math. This proprietary teaching approach blends personalized learning plans with mental, verbal, visual, tactile, and written techniques, ensuring each student receives math help tailored to their unique needs and learning styles.
The Mathnasium Method™ is designed to build a strong foundation for math excellence, empowering students to truly understand and even enjoy math.
Our caring and specially trained math tutors in Dedham deliver face-to-face instruction in a supportive, engaging group environment. We support 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 Dedham, each student receives a personalized learning plan based on a detailed assessment of their skill level, challenges, and academic goals.
This tailored approach allows students to learn at their own pace while building critical thinking and problem-solving skills, along with the confidence they need to excel in their math journey.
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 local communities, including:
Specially Trained and Caring Team
Leslie Rosenthal
Center Director
Leslie Rosenthal, also known as Mrs. R, brings over a decade of experience teaching math in Massachusetts public schools. She has worked extensively with English Language Learners and students with disabilities. Leslie holds a degree in Mathematics and Secondary Education from Vanderbilt University and a Master’s in Education from Boston University.
She loves showing students how new math connects to what they already know, and especially enjoys teaching Pre-Algebra. Leslie believes students learn best through conversation, reasoning, and explanation. She lives in Westwood with her husband, toddler, and their dog, Oreo.
Keith T
Director of Student Experience
Keith serves as both Lead Instructor and Director of Student Experience. He is known for his patience and creativity, always finding new ways to make math engaging and fun for students.
Keith studied Mathematics and Classical Civilization at Trinity College, with a minor in Religious Studies. He has tutored at Boston Children’s Hospital and previously worked as an archivist, using his math skills to support campus organizations. Outside of Mathnasium, Keith enjoys reading history and cheering for Boston sports teams.
Isaac C
Instructor
Isaac is a senior at Westwood High School with a strong passion for math and science. He plans to pursue a degree in biomedical engineering and become a doctor. Isaac earned perfect scores on the PSAT and SAT Math sections and multiple AP exam scores of 5, including Chemistry and Statistics.
At Mathnasium, he enjoys helping students discover the beauty of math. Isaac also created a student-run SAT math prep program at his school. His interests include piano, video games, science research, and basketball.
Sally G
Director of Parent Outreach
Sally is the Director of Parent Outreach and holds both Bachelor’s and Master’s degrees in Mechanical Engineering from Columbia University. While at Columbia, she led academic outreach events and sustainability initiatives, gaining valuable experience in leadership and teaching.
Sally has tutored students in Physics, Calculus, and other subjects, and enjoys helping families connect with the center. Outside of Mathnasium, she spends time visiting museums, making hexaflexagons, and enjoying time with her family.
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 Dedham is located at 626 Washington Street in Dedham, MA 02026. You’ll find us near Subway and Play It Again Sports, in a convenient area close to shops and family-friendly services.
We proudly serve students from Dedham and surrounding communities. Local schools include:
Avery & Greenlodge Elementary Schools
Oakdale, & Riverdale Elementary Schools
Dedham Middle & High Schools
Downey & Martha Jones Elementary Schools
Pine Hill & Sheehan Elementary Schools
Thurston Middle School & Westwood High School
West Roxbury, Hyde Park, & Boston Public Schools
Dedham Country Day School
Milton & Thayer Academies
Blue Hills Regional High School
Ursuline Academy & Rashi School
Saint Catherine's & Blessed Sacrament Schools
Yes, Mathnasium of Dedham offers online tutoring via our virtual classroom, Mathnasium@Home.
Students who choose to attend online receive live, face-to-face instruction in a fun and supportive group environment, guided by our same caring tutors in Dedham whether they attend online or in person.
No. Students receive the same quality of live, face-to-face instruction whether they attend sessions online or in person. Our online students follow the same personalized learning plans and receive the same caring support as those learning at the center.
Mathnasium’s specially trained tutors can help students learn and master any K-12 math class or topic, from basic arithmetic through Algebra, Geometry, Trigonometry, Statistics, and advanced high school math.
We follow learning plans that are tailored to each student’s unique learning needs and style, so they can receive focused instruction and make meaningful progress toward their goals.
Mathnasium of Dedham provides premium value through a flat monthly membership and a one-time enrollment fee.
Most students attend two to three times per week. After a diagnostic assessment, we design a personalized learning plan with recommended session frequency based on your child’s goals. Contact us at [email protected] to learn more.
No. Whether students attend in person, online, or in a combination of both, the cost of membership remains the same.
The diagnostic assessment serves to identify each student’s current skill level, knowledge gaps, and learning goals, so we can design a plan tailored to their specific needs.
Understanding each student’s unique approach to math helps us adjust instruction to their learning style and pace and empower them to unlock their true potential.
At Mathnasium of Dedham, we use the Mathnasium Method™, a proprietary teaching approach that combines personalized, assessment-based learning plans with proven instructional techniques to build solid foundations for math mastery.
Our tutors follow this approach to meet each student where they are, introduce new concepts in a logical sequence, and guide them toward deeper understanding and lasting confidence in math.
Yes! We empower students of all skill levels to reach their math potential.
Students who are behind in math class receive caring support and targeted instruction to rebuild essential skills and confidence. Our enrichment programs challenge advanced learners and deepen their mathematical thinking so they continue to thrive in school and beyond.
Absolutely! We welcome students from homeschool, public, and private school backgrounds across Dedham and surrounding communities.
Our flexible scheduling and personalized instruction complement homeschooling programs and goals.
Yes, our tutors will set aside time during each session to help students with their homework, ensuring they feel prepared and confident in class.
No. All learning happens during sessions at the center or online. We do not assign additional homework, allowing students to focus and make meaningful progress while they're with us.
Yes! Mathnasium of Dedham prepares students for school-based and standardized math tests, including MCAS, SAT®, and ACT®.
Our test prep includes personalized learning plans, targeted practice, and strategies to build both math skills and test-taking confidence.
Mon
3:00PM - 7:00PM
Tue
3:00PM - 7:00PM
Wed
3:00PM - 7:00PM
Thu
3:00PM - 7:00PM
Sun
10:00AM - 2:00PM
Mon
3:00PM - 7:00PM
Tue
3:00PM - 7:00PM
Wed
3:00PM - 7:00PM
Thu
3:00PM - 7:00PM
Sun
10:00AM - 2:00PM
| Mon: | 3:00PM - 7:00PM |
| Tue: | 3:00PM - 7:00PM |
| Wed: | 3:00PM - 7:00PM |
| Thu: | 3:00PM - 7:00PM |
| Sun: | 10:00AM - 2:00PM |
| Mon: | 3:00PM - 7:00PM |
| Tue: | 3:00PM - 7:00PM |
| Wed: | 3:00PM - 7:00PM |
| Thu: | 3:00PM - 7:00PM |
| Sun: | 10:00AM - 2:00PM |