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Cascade Math

2026 CascadeMath Fest

Browse the individual and team rounds, see how contestants placed, and look through photos from the 2026 Cascade Math Fest.

Saturday, September 19, 2026 · Mercer Island High School, 9100 SE 42nd St, Mercer Island, WA 98040

People
150
Teams
40

Problems and solutions

Cascade Math Fest problem and solution PDFs
RoundProblemsSolutions
Individual roundPDFPDF
Team roundPDFPDF

CMF26 photos

Opening and rounds20 photos
Check-in starts
Check-in starts
Cascade MathFest 2026!
Cascade MathFest 2026!
Opening Ceremony
Opening Ceremony
Students and parents at the opening ceremony
Students and parents at the opening ceremony
Our sponsors
Our sponsors
Kellogg Middle School team sign
Kellogg Middle School team sign
Individual round
Individual round
Passing out tests
Passing out tests
A tough looking proctor
A tough looking proctor
The youngest competitor! (3rd grade)
The youngest competitor! (3rd grade)
Competitors at work
Competitors at work
Competitors at work
Competitors at work
Competitors at work
Competitors at work
Competitors at work
Competitors at work
Graders in grading room
Graders in grading room
Unpacking prizes
Unpacking prizes
Team round
Team round
Graders at work
Graders at work
Lunch time!
Lunch time!
Lots of pizza
Lots of pizza
Puzzles and activities27 photos
Festival starts!
Festival starts!
Puzzle hunt rules
Puzzle hunt rules
Puzzle hunt starts!
Puzzle hunt starts!
Tower of prizes
Tower of prizes
Competitors working on puzzle round
Competitors working on puzzle round
Another tower of prizes
Another tower of prizes
Estimathon
Estimathon
Prime Factorization Countdown round
Prime Factorization Countdown round
Taking apart and reassembling prizes
Taking apart and reassembling prizes
Volunteers joining events too
Volunteers joining events too
Estimathon rules
Estimathon rules
Working on Sudokus
Working on Sudokus
Teamwork on puzzles
Teamwork on puzzles
Checking puzzle answers
Checking puzzle answers
Lots of prizes won at Sudoku
Lots of prizes won at Sudoku
Duodoku
Duodoku
A young pianist
A young pianist
Twins with lots of prizes
Twins with lots of prizes
Can you guess the answer?
Can you guess the answer?
Scanning barcodes to get points
Scanning barcodes to get points
KenKens
KenKens
Hard puzzles in the puzzle hunt
Hard puzzles in the puzzle hunt
Working together on puzzle hunts
Working together on puzzle hunts
Changing the colors of prizes
Changing the colors of prizes
Very close activity leaderboard
Very close activity leaderboard
Contestants checking the live leaderboard
Contestants checking the live leaderboard
Volunteers checking puzzle hunt
Volunteers checking puzzle hunt
Countdown and awards26 photos
Trophies, medals and more towers of prizes
Trophies, medals and more towers of prizes
Team Countdown Round!
Team Countdown Round!
Teams competing in Countdown Round
Teams competing in Countdown Round
More Countdown Round
More Countdown Round
Testing buzzers
Testing buzzers
Next question
Next question
Winners!
Winners!
A winning team
A winning team
Another winning team
Another winning team
Another winning team
Another winning team
Semi-final round!
Semi-final round!
The answer is correct
The answer is correct
The 4th place team
The 4th place team
The 3rd place team
The 3rd place team
The 2nd place team
The 2nd place team
Award ceremony starts!
Award ceremony starts!
The festival winner!
The festival winner!
Individual top 30% in 6th grade
Individual top 30% in 6th grade
Handing out medals
Handing out medals
The youngest winner!
The youngest winner!
6th grade top winners!
6th grade top winners!
7th grade top winners!
7th grade top winners!
More medals
More medals
8th grade top winners!
8th grade top winners!
Awesome volunteers!
Awesome volunteers!
Cascade Math Team!
Cascade Math Team!
Festival flyers3 photos
Flyer 1
Flyer 1
Flyer 2
Flyer 2
Flyer 3
Flyer 3

Final standings

Team placements, festival points, and individual awards.

Team round

Top eight teams
PlaceTeam
13BB1OS
2Fishcrab
3Wellstown
4Basis Montaineers
5Espers
6IMS trio
7Math Kings & Ninjas
8Absolute Cinema

Festival points

Festival points leaderboard
PlaceStudentPoints
1Connor Trinh13
2Nicole Ni11
2Oliver Su11
2Andy Chen11
2Eric Wang11
6Eli Li11
7Sophia Ting11
8Edgar Li10
8Chufan Deng10
8Aarini Bansal10
8Nicole Wang10
8Alfred Su10
8Eric Tian10
8Ryan Liu10
8Shopnil Aydin10
8Arjun Karthikeyan10
8Elsa Zhang10
8Katey Luo10
8Ella Li10

Individual winners (top 10%)

6th grade

Individual winners, 6th grade
PlaceStudent
1Oliver Su
2Royee Rui
3Andy Chen
4Vidyut Balan
5Edgar Li
6Nicole Ni
7Miles Wei
8Daniel Zhao
9Nicholas Yang
10Lucas Chen

7th grade

Individual winners, 7th grade
PlaceStudent
1Wu Liang
2Michael Lin
3Adrian Wang

8th grade

Individual winners, 8th grade
PlaceStudent
1Alfred Su
2Yining Wang
3Jingshuo Wang

Individual top honors (top 30%)

6th grade

  • Wesley Wei
  • Ethan Xu
  • Gary Tao
  • Gideon Wang
  • Gilbert Liu
  • Eason Xiong
  • Albert Guan
  • Stephanie Xiao
  • Bruce Zhao
  • Kaiya Mao
  • Lawrence Li
  • Bei Liang
  • Lili Wei
  • Haoran Cong
  • Aiden Wong

7th grade

  • Jason Zou
  • Wen Liang
  • Ella Li
  • Angela Lu
  • Eli Li

8th grade

  • Eric Tian
  • Aarini Bansal
  • Bowen Zhang
  • Cindy Zhang
  • Eric Wang
  • Shopnil Aydin
  • Jared Wen