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
Big Papi
What do you wond...
Germ-Killing Wipes
In this activity, students get to di...
Figuring planting dates
It's time to get ready to plant my gar...
Extreme weather 2020
Because of climate change, we've been having...
December 21, 2020 - Great conjunction
Right now, just after sunset, in the southwe...
Spicy hot chocolate for the Dia de los Muertos
The Day of the Dead is always on the fir...
The huge costs behind the Olympics
Hosting the Olympic Games is extremely expen...
Lots of Pieces
🧩In this u...
What can you tell about a snowflake?
As a snowflake falls from the sky, its...
HDTV Surprise!
How were your holidays? Your school ...