Lemonade Stand
This game teaches the basics of math in business. The goal: You have 25 rounds to make as much of a profit as possible. Weather is definitely a factor. You need to figure out how many glasses of lemonade you're going to make and what you will need for advertising costs.
Gazillionaire Shareware
Are you ready for one amazing fantasy sci-fi game based in outer space? Your business skills are challenged as you travel from planet to planet as manager of a trading company selling such things as Lava Lamps. While having fun, your kids will learn business strategies involving profit margins and the costs of doing business.
Monopoly Online
Monopoly has been a favorite in many households for decades. Now your kids can play it online. You should watch a game or two first because it moves really fast, unlike the old game in which you have to pause to hand out money and physically move your icon around the board. Here you just click to roll the dice and decide what to buy and sell.
Air Tycoon 2
Do you want to become the next Richard Branson and create your own airline? You can in Air Tycoon 2. Here you build your airline company and devise routes to more than 110 cities to move both people and cargo. You get to determine the schedule, cost and services available. You also deal with advertising and the hiring of employees. You can even acquire a loan if need be to either keep afloat or offer more services.