2023-11-20 09:44:39
Wow, everything must be free!
Wow, everything must be free!

What happens when you take 50% off again after taking 50% off at first?
Students examine this retailer trick of giving double discounts. What happens to the price when you are given a double discount? Could everything be free?
Comments (0)
Display 1 - 10 Of total 0
How should I spend my rewards?
There's a new way to earn rewards at many groc...
Jackie Robinson
April 15th, 1947 was a date to remember. J...
Whole lot of cookies
This activity has been u...
AQI - Air Quality Index
The AQI is a measurement of how much particulate...
How did I graph this heart?
In this activity, students will use ma...
Mother’s Day by the numbers
Mother’s Day is right around the corner, and that ...
Everything Royal Wedding
Friday, April 29, 2011, at 11:00 a.m. will...
Sugary Record
How big is the world's largest cotto...
Happy 14th B'ak'tun!
Luckily, we’ve passed 12/21/2012 and the...
Monopoly
In the board game, Monopoly, does a property...