IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. From the 1950s, particularly after ...

The 66 square cards come in 6 suits, each of a different color and configuration, containing the numbers 0 to 10. The purple cards have numerals, but the other five suits have dots in varying ...

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 ...

Which math toys are best? Are you looking for new ways to help your kids develop their math skills? Rather than inundating them with more workbooks or worksheets, invest in counting and math toys.