MathChallenges

MathChallenges is a collection of widely varied math puzzles and problems.


A new challenge is presented every day.   Some challenges require logical reasoning, others a knowledge of high school level mathematics.  All require careful thinking!


Each challenge consists of three parts:

 • A statement of the Challenge

 • Need some help?  Press the Hint button.  

 • If you think you have the right solution, tap the Solution button.  Here you will find a step-by-step description of one or more ways to solve the challenge.


At any time you can revisit past challenges using the Time Machine feature.
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