Introduction Do you ever use math as a tool to solve interesting problems? In the 1970s math was often taught with simple worksheets. One teacher was looking for a way to help his students have more ...

Which are the best puzzles on Amazon? Puzzles test people’s ingenuity, knowledge and ability to arrive at the correct solution or win the game. They involve exploring, logical thinking, reasoning, ...

A brain teaser is like a fun little challenge for your mind. It’s a puzzle or riddle which is designed to make you think ...

Brain teasers are fun little puzzles that make you think in different ways. They might look simple at first, but they often ...

The puzzle as presented earlier this week: The other evening at dinner, Max and Nora were counting out numbers on their fingers. Max, age five (almost six!) was using both hands to count to ten — ...

Can’t get enough puzzles? Still looking for something to do after the Daily Crossword and the Jumble? The Arizona Republic/azcentral.com and the USA TODAY NETWORK are teaming up to offer Sunday print ...

Can’t get enough puzzles? Still looking for something to do after the Daily Crossword and the Jumble? The St. Cloud Times and the USA TODAY NETWORK are teaming up to offer Sunday print subscribers a ...