Mathnasium 7430 80th Street, #104, Cottage Grove MN 55016 (651) 560-5477

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We open for In-Center instruction and also offering online @home sessions



December 2019 Events:

November 2019 Events:

November 14th, 2019

Bring a friend and join us for our version of Thirsty Thursday!

We will be providing juice pouches and water bottles to all the students and their friends.


November 23rd, 2019

Some of our students missed our last Pajama Day so we said, "why not have another!"

Come to the center in your comfiest pajamas to earn an extra 5 stars on your card.


November 27th, 2019

Bring your friends and family along to a Family Game Night. We will have food, do the November $100 for 100% Mastery Check drawing, and of course we will have games!



October 2019 Events:


We are open normal hours during MEA! This is a good opportunity to get in and keep the academic juices flowing over the long weekend.

Join us the week leading up to Halloween in a fun Spirit week celebration! Each day your student comes in flaunting the theme of the day, they will receive 5 extra stars that day.

Sunday, October 27th: Pajama Day
Come dressed in your comfiest pajamas and have some fun doing math!

Monday, October 28th: Career Day
Show your tutors what you want to be when your grown up by dressing like someone who works in your future career.

Tuesday, October 29th: School Spirit Day
Show your spirit and represent your school!

Wednesday, October 30th: Challenge Your Tutor day
Bring in your trickiest math problem and see if your tutors can figure it out.

Thursday, October 31st: Halloween Party!
Dress up in your Halloween best and join us for a spooky celebration. We will also be doing our September 100% Mastery Checks for $100 drawing during the party that evening! Friends and family are welcome to join for hauntingly fun math games, and ghoulishly good food.

Get the full October Calendar here 





To keep up with our latest events, check out our social media or be added to our mailing list:




Past Events

July 2019 Calendar

June 2019 Event Calendar 

May 2019 Event Calendar 

April 2019 Event Calendar 

Problems Of The Month - August 2018

Hi Math fans, there are only a few days left to submit your answer and earn money for yourself and your classroom. The winner would receive a $50 gift card for their class, a $10 Amazon card for themselves, and their name mentioned in the following month’s announcement.


Grade 2 and 3

Willow spends 1 and 1/2 hours per day in the school library. How many hours does Willow spend in the library from Monday through Friday?

Grade 4 and 5

Xander has homework from 5 different classes: English, History, Math, Science, and Spanish. Each homework assignment is 5 pages long. Each page has 5 questions. Each question takes 5 minutes to answer. How long will it take Xander to finish his homework? Give your answer in hours and minutes.


ALL WORK MUST BE SHOWN NEATLY ! Illegible work will be disqualified.

There will be two winners (one for each grade-level question) each month. Submissions must include student's first and last name, grade, school name, and best method of contact.

You can submit your answers to us at Mathnasium of Cottage Grove, 7430 80th Street S. Suite 104. Cottage Grove, MN 55016 or by scanning/taking photo of your work and e-mailing us at If you have any questions, please call us at (651) 560-5477.



Saturday June 23rd—July 14th, 2018

Coding Summer Camp for Kids


Monday May 14th, 2018 Double Stamp Day.



Friday May 18th, 2018

6 PM–8 PM Park High School A Multicultural Celebration Pauline and Mark will be there with the Giant Connect 4 and the giant Chess Set to play math games with the students and families.


Sunday May 20th, 2018

Healthy Kids Running Series. Fun, Games, and Drawing for a One Month Instruction Scholarship.




Friday May 25th, 2018

Game Day 5 PM to 7 PM Open to the public



 Mathnasium of Cottage Grove Grand Opening—July 25th, 2017