The card game Spot It! has become one of the most popular family games in the country, but the secret to how the game works has its roots in the logic puzzles of 19th century mathematicians. Blue ...

Despite a packed Tuesday schedule, Gov. Jared Polis made time during his visit to Colorado Springs to celebrate student achievement by visiting one of two District 11 elementary schools that have ...

Anna, Britta and Christina work at a fruit stand at the market. A customer asks them about the prices of apples, pears and peaches. Anna says, “Seven apples and five pears cost the same as six peaches ...