Welcome to the Riverside School's Math Marathon 2026! 

Math Marathon is a week-long event where we celebrate the study of math in our school community. 

Tuesday, March 10, 2026 – Sunday, March 15, 2026

This year’s Math Marathon includes:

• A week-long Math Marathon Game Board Challenge featuring at-home math enrichment activities that students can complete to earn chances to win fun prizes!; and
• Daily Math Games with the Riverside Math Team!  Tuesday through Friday - before the start of school - we will host 3 separate tables - for K - 1, Grades 2 - 3 and Grades 4 - 5.  Students at each table will have the chance to win a different prize each day!

See below for details and join us for these fun math opportunities!

Math Marathon Game Board Challenge

Each at-home game board features fun grade-level math enrichment activities your child can complete during Math Marathon week March 10 - March 15, 2026. Click below to download and print the level-appropriate Math Marathon game board packet for your student! 

Links to the packets will go live on Friday, March 6.

• Kindergarten Game Board Packet 
• First Grade Game Board Packet
• Second Grade Game Board Packet
• Third Grade Game Board Packet
• Fourth Grade Game Board Packet
• Fifth Grade Game Board Packet

For a helpful explanation of the Numtanga pages, see this short video explainer (1:43).

Each activity completed earns your child a chance to win in two ways:

• Win as an individual! Each game board activity students complete earns them a chance to win a $50 gift certificate to Athena Books in Old Greenwich. (1 winner per grade). 
• Win with your class! The class in each grade with the highest percentage of participating students will win an EXTRA RECESS!

Submit a picture of your student’s Game Board(s) and enter the total number of activities completed via your My Page on rivpta.com (under “Quick Links”) by Sunday, March 15th at 5pm for a chance to win. 

The PTA will track submissions and determine the winners. 

Last year we had over 200 game board submissions - we hope you will join us this year!

Daily Math Games

Come a bit early to school each day, starting Tuesday, March 10th through Friday, March 13th for Math Games with the Riverside Math Team!  Every day before school begins, we will host 3 separate tables - for K - 1, Grades 2 - 3 and Grades 4 - 5 - each of which include age-appropriate games of counting, calculating and sleuthing.  Students at each table will have the chance to win a different prize each day!

With any questions or help accessing a game board, please email Math Marathon PTA volunteers.  Here is more information on the GPS Elementary Math Curriculum.