One of oldest education games ever made remains to this day one of the most well-executed: Adventures in Math teaches algebra in a treasure-hunting premise, putting you inside a castle...

Funnels and Buckets is a very old but excellent math game for primary school students aimed at teaching basic arithmetic.

The Learning Company developed a number of excellent but sadly underrated children's titles in the mid-80s based on the same engine that combines ease of use with fun educational puzzles.

Learn about Fractions is a good educational title by Compedia, part of its excellent "Top Class" series.

Learn about Programming is yet another excellent entry in Compedia's long line of "Top Class" edutainment titles.

Logical Games and Puzzles is a great collection of math puzzles coded by David Lovelock, math professor at University of Arizona.

Definitely one of the best math titles ever made, M*A*T*H*S Circus is a collection of puzzle-like math-oriented activities for all ages.

Another excellent edutainment title from Davidson & Associates, designed by Jay Davidson himself.

One of the least known Sierra game ever, Mega Math is the last title in short-lived Turbo Learning series.

Merlin's Math is a decent math program designed to teach young kids the basics of algebra.