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
Louisiana
We recently watched the approach of Hurrican...
Pick-a-brick wall at the Lego store
There are walls at the Lego stores t...
Germ-Killing Wipes
In this activity, students get to di...
Fidget spinners - fad or lasting trend?
Do you recognize what these are? Are you...
Mother’s Day by the numbers
Mother’s Day is right around the corner, and that ...
Penny Wars anew
Act One: Check out all of the pennies! ...
Stacking Jack
Act One: Check out the video slide show. &nb...
How large a TV should I get?
Whether you are in middle schoo...
Will I pay less if I buy more?
image ...
New Horizons spacecraft just flew by a really distant asteroid
Brian May, the lead guitarist of the rock band, ...