What Does it Cost to Fill a Car with Other Liquids

Is gas actually that expensive? What if we filled a car up with… orange juice?

Doubling Dollars

Say you have a dollar. Say you can double that dollar each day: $1, $2, $4, and so on. How long will it take to reach… one million dollars? Not as long as you might think!

Percents and Credit Cards

Let’s buy something expensive with a credit card and then make only the minumum payments!

Math Project: What If I Bought Apple Stock Instead?

What if you had an original iPod and sold it compared to if you had bought the equivalent amount of Apple stock and sold that?