Mathbits.

In this game, you'll be challenged to guess the correct number by getting hints if it's smaller or bigger.

In this game, you'll be challenged to solve a variety of equations as quickly as possible. From basic arithmetic to more advanced math concepts.

In this fast-paced game, you'll be challenged to either guess the next number in a sequence or calculate number sequences yourself as quickly as you can.

In this game, you'll be challenged to memorize numbers, phone numbers, colors and other types of information.