Cheap math fact computer games?

Does anyone know of a cheap math fact game for PCs that does at least addition and subtraction? Thanks!!

 

Cheap software

There is a site called www.5dollarsoftware.com I order several titles per year. Some of the titles are lower than five dollars and some are more, too. You can search by subject area, price, etc. Shipping is pretty fast.

 

Scholastic.com has some pretty neat kids games for math facts.

 

My son's class uses Math Facts in a Flash.

 

Here's one that is free online. It is a lot of fun. http://www.mathsisfun.com/games/speed-math.html

 

Here's another really fun one. http://www.mathsisfun.com/numbers/math-trainer-addition.html

 

This one is a free online and my kids LOVED doing it last year.

http://www.harcourtschool.com/activity/thats_a_fact/english_4_6.html

The funny thing is, its not even a game. It's just timed math facts. But they loved racing to try and finish it time. Of course, there's also an untimed version. It does addition, subtraction, multiplication and division.