Welcome to Gruzzles!
Build number fluency by solving puzzles!
What is a 'gruzzle'? It's a puzzle you solve on a grid. Grid + puzzle =
GRUZZLE! Okay, that's not actually math, but solving these
puzzles actually does use math.
Click on a puzzle link to load a puzzle and get started!
The number in the parentheses () shows how many clues the puzzle has.
- Click on a clue in the clue list
- Find the number that matches the clue and click on it
- You can click on a clue again to see which number you chose, then you can change it if you want to
- If you correctly find all the numbers in the clues, you earn a badge!
Find more math resources at
Are you SURE you want to clear your badges?
This will erase all your accomplishments on this computer, but it will allow you
to try all the puzzles again! This cannot be undone.