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
Downside Up
🔍 In this updated activity, students...
Are original movies better than their sequels?
We've gathered some data on movie ratings and ...
Encouraging bats might be better than using bug repellant
Bats eat mosquitoes ... lots of mosquitoes. Stud...
Veterans Day, 2023
This activity will be updated before October, 2026...
How fast will my new puppy mature?
Dudley, born 11/10/2019
Dudley has just com...
Will the new iPhone sales be huge?
Apple just announced their new, 10th anniversary...
Watson saves
Ben Watson, former American Football tight end, ma...
Earth's perihelion with the Sun
On January 4th, 2023, Earth will be as close as it...
Pi Day Activities
5 Activities for π day!  ...
Do I have enough wrapping paper?
In this problem based activity students...