Welcome to Mathnasium of Portsmouth
About Our Center
Setting up Risk-Free Assessment!
1. Fill out the contact form in the top right which will send us your basic contact information to learn a little more about your specific situation.
2. We will contact you to learn more about what's going on and schedule a good time for your child to come in and take our Risk-Free Assessment which will pin-point their strengths and weaknesses in math, giving us a clear picture of what they need in order to fill any gaps in their math foundation!
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| Sun | CLOSED |
| Mon | 3:00 pm to 8:00 pm |
| Tues | 3:00 pm to 8:00 pm |
| Wed | 3:00 pm to 8:00 pm |
| Thurs | 3:00 pm to 8:00 pm |
| Fri | 3:00 pm to 8:00 pm |
| Sat | CLOSED |
May 1, 2022
Kim Manor
Mathnasium of Portsmouth Reviews
May 1, 2022
Kim Manor
January 21, 2022
Maria DaPonte
December 16, 2021
J.K.
November 21, 2021
Molly McComas
October 21, 2021
Maria DaPonte
September 15, 2021
Tom Hopkins
September 13, 2021
M.G.
August 30, 2021
A.Z.
August 27, 2021
Molly McComas
July 2, 2021
Jonathan Lambert
June 15, 2021
Tom Hopkins
May 15, 2021
Jason and Nicole Gray
April 10, 2021
Michelle Hughes
March 19, 2021
K.P.
February 21, 2021
L.P.
February 18, 2021
J.A.N.G.
February 13, 2021
Denise Janczynski
January 8, 2021
Ann Marie Vanden Huck
January 3, 2021
Ani Rafaelian
December 6, 2020
Tom Hopkins
November 1, 2020
L.M.
September 7, 2020
Karen Richer
July 13, 2020
P.L.
July 13, 2020
J.F.
July 6, 2020
G.H.
We were referred to Mathasium by another classmates parents and have been very pleased with our daughters progress thus far. The one-on-one interaction has allowed our daughter to be very focused and it seems to be the 'click' she needed since this is her weakest subject. The reporting with detailed communication from the teachers is also a plus. Strongly recommended by this family!
June 18, 2020
Leslie Ferrucci
June 13, 2020
Karen Richer
June 10, 2020
Ellen Sharp
June 8, 2020
Sheli Silveria
June 5, 2020
Tom Hopkins
May 9, 2020
K.K.
April 29, 2020
Maura Brown
April 4, 2020
Kristina Thompson
April 4, 2020
Ann Marie Vanden Huck
March 19, 2020
Amy Pilotte
March 15, 2020
Lori Powledge
March 4, 2020
Tom Hopkins
When other parents ask me about mathnasium the conversation usually wanders around to the cost. I tell them that you can’t put a price on increased confidence and performance that comes with structured tutoring. The decreased stress at home when it comes to homework time and studying for upcoming exams is also a bonus! This is a no brainer for this family and the cost is well worth it!
February 25, 2020
K.W.
Our first experience with tutoring... calculus. I expected that only lower level math tutoring was available. I was wrong! Our high school student, who was embarrassed to seek help, enjoys her sessions and says that the guidance given is very helpful. Mathnasium saved me from a few more gray hairs. Price is reasonable and scheduling has worked out well.
January 15, 2020
Ann Marie Vanden Huck
December 20, 2019
A.P.
December 3, 2019
Tom Hopkins
December 2, 2019
Jennifer Keller
Mathnasium in Portsmouth RI is just wonderful! Doug and the staff are so helpful and encouraging. My son has gone from a C math student to an A math student! At the recent parent-teacher conference, his math tutor told me he was a leader and actually assisting other students in the class. I can’t thank Mathnasium enough!!
November 15, 2019
Janet Linhares
October 3, 2019
Ann Marie Vanden Huck
August 8, 2019
J.M.B.
July 7, 2019
Christina Canty
June 21, 2019
Jennifer Keller
May 20, 2019
Cathy Figerie
May 8, 2019
J.L.
April 2, 2019
S.B.
March 15, 2019
Jeff Mederios
February 24, 2019
J.M.
January 7, 2019
Lee Anne West
Exactly what my son needed; in-depth teaching and understanding of math curriculum, homework help and a confidence boost! In addition, my son loves the teachers, games they play during breaks, rewears system and looks forward to going to each season. My husband and I highly recommend Mathnasium and the owner, Doug!
January 6, 2019
Jessica Silvia
The staff and program at Mathnasium are wonderful. Our son went from having no confidence in his ability to do math, and failing his class, to making the honor roll after a short time in this program. Not only did he get his confidence back, he also understood the math concepts and processes. The program at Mathnasium helped along with the patience, guidance, and encouragement from the staff members. Thank you Doug and staff!
January 2, 2019
Sheli Silveria
January 2, 2019
Stacey Borden
December 19, 2018
Jennifer Keller
November 16, 2018
J.L.
Your technique works! In less than 2 months my grandaughters' math confidence has skyrocketed. Her math scores have improved, and her teacher has complimented her work with positive comments. What a boost to go from struggling in math to being able to complete her math worksheets almost all the time. Thanks to the team for helping Sophia catch up with her class and move forward. [FIRST NAME REMOVED]
November 12, 2018
Cheryl Tammaro
My high school sophomore has been a student at Mathnasium Portsmouth since July 2018. We could not be more pleased with their amazing program. Doug Stearns and his exceptional tutorial staff create a warm, welcoming, friendly environment for learning. My daughter always looks forward to her sessions and has learned far more from this program than from any private tutor that we have had in the past. For a student with learning struggles, math can be very intimidating. The tutors at Mathnasium are consistently insightful and encouraging, unwaveringly patient, and sensitive to student struggles. They know how to empower students. They build not only their students' mathematical abilities but also their confidence. I only wish that I knew about this wonderful program years ago.
November 10, 2018
John Abell
Mathnasium has been invaluable to us both in content and flexibility. Passing of higher level math courses would not have been possible for this foreign student transitioning to a new life in the United States. Because he really enjoys competitive sports, the willingness of the program to adjust to practice and games was very appreciated.
November 2, 2018
M.B.
October 2, 2018
Stacey Borden
October 1, 2018
Louis Maroto
October 1, 2018
Nancy Tallmadge
Mathnasium and Doug were absolutely wonderful. My daughter went there for her
senior year of high school and her grades were always in 90s. i would definitely
tell parents/students who are having math issues to contact Mathnasium and give it
a shot. You will see the grades rise and the students be happy as they have
the math explained to them one on one.
September 30, 2018
Dana Coute
September 23, 2018
Sheli Silveria
September 5, 2018
Lisa Kinsella
Our son was struggling in his math class and in that same year he brought his grade up by 2 full marks and scored a B on his exam. He never fought going to his Mathnasium class and always kept a great attitude getting through it. The tutors at Mathnasium did right by him on multiple levels - I highly recommend Doug and his team. Thank you so much!
Lisa Kinsella
August 31, 2018
Stacey Borden
August 20, 2018
N.T.
August 17, 2018
Louis Maroto
July 27, 2018
Eilish Clarkson
July 10, 2018
J.K.
July 7, 2018
Denise Janczynski
June 13, 2018
H.B.
June 6, 2018
Jeff Mederios
I have been happy with the results of Mathnasium, my son has had difficulty with math for many years, your program has been able to teach these concepts in a way that he finally is able to understand. I would recommend Mathnasium to any parent who has a child who is having difficulty, wish I would have done this year's ago !
May 30, 2018
Stacey Borden
May 18, 2018
N.T.
April 5, 2018
M.B.
March 27, 2018
Mary Radeka
March 27, 2018
Conley Zani
My boys love going to Mathnasium. We use it primarily as an "enrichment" experience. Doug and his team make Math fun and exciting and my 10 and 12 year old look forward to it every week. I feel we get very personalized attention and feedback - which makes me feel part of the "family". I would highly recommend this!
March 16, 2018
D.D.
March 15, 2018
M.S.
March 12, 2018
D.J.
March 8, 2018
S.S.
March 5, 2018
L.K.
March 3, 2018
M.B.
Dec 15 2016
Located at 14 Potomac Road in Portsmouth RI, Mathnasium provides tutoring for students in grades ...
Hello. I'm Ryan Costa, Owner / Center Director of Mathnasium of Portsmouth, your neighborhood math-only learning center. We help kids in grades 2-12 understand math by teaching the way that makes sense to them.
When math makes sense, kids leap way ahead – whether they started out far behind or already ahead in math. Our formula for teaching kids math, the Mathnasium Method™ has transformed the way kids learn math for over a decade across 1,000+ centers in the US and Canada:
Our specially trained math instructors will teach your child how to understand math in an individual setting – our unique approach enables us to effectively explain math concepts and lend a helping hand to every student. Our tutors foster a caring, encouraging environment that helps kids thrive and learn!
Mathnasium instructors use our unique assessment process to determine (with great accuracy) exactly what each child knows and what they need to learn. Next, we design a customized learning plan for teaching the concepts the student needs to master. It doesn’t stop there – our encouraging instructors continually check progress along the way to make sure kids truly understand and retain the concepts we’ve taught. The results are transformative – kids will see measurable changes in attitude, confidence, and school progress.
Our instructors will also set aside time to provide homework help. We help kids understand the homework assignment so they feel better prepared to complete the work at home – underscoring their understanding of concepts and transforming homework frustration into a welcome challenge.