Equation Guess 
Supermarket Manager 
Arrow Stack 
24 Game 
Telling Time 
Subtraction Sprint 
Skip Counting 
Percentage Shop 
Money Counting 
Division Dash 
Coordinate Hunt 
Binary Numbers 
Algebra Solve X 
Addition Blitz 
Math Meteor 
Coin Sort 
Balance Scale Puzzle 
Number Match 
Multiplication Sprint 
Mental Math Challenge 
Calcudoku Home / Math
Number-matching, mental arithmetic, and logic puzzles that sharpen your math skills against the clock. There are 21 math games here, all playable straight in your browser with no download and no sign-up.
Every game runs locally in the tab, so scores and progress stay on your own device. Rounds are short by design — pick one up for a couple of minutes and close it whenever you like.
