Incorporating daily puzzle games into a child's routine can dramatically improve their mathematical fluency. This method not ...

Find answers to the latest online sudoku and crossword puzzles that were published in USA TODAY Network's local newspapers.

(And adults, of course!) These math puzzles test your brain and critical-thinking skills and provide some constructive, ...

This is similar to the way some physical systems undergo a phase transition – but compared to them, these puzzles may be mathematically unique. While solving a crossword one day, Alexander ...

The NYT Mini is a smaller, quicker, more digestible, bite-sized version of the larger and more challenging NYT Crossword, and unlike its larger sibling, it’s free-to-play without a subscription to The ...