2023-11-20 09:44:30
Green, green river
Green, green river

During the St. Patrick's Day parade in Chicago, the local plumbers union dyes the Chicago River emerald green.
Students learn what PPM (parts per million) means and attempt to figure out how much dye is used to sufficiently color the river.
Comments (0)
Display 1 - 10 Of total 0
Proposed southern border wall
You have probably heard about the proposed b...
Leicester City Foxes - from underdogs to Champions
Recently, to the surprise and elation of England...
Which TV is the Best Deal?
Check out the TVs. All have essentially th...
Consumer spending 2018
Graph from Wolfram Alpha
Consumers in ...
How Many Donuts is That?
Act One: Take a look at the first pict...
Should I get the Big One?
Let your students decide if the ...
Fibonacci coloring
Let your students simply enjoy coloring our desi...
The Power of Leverage
📈 In this activity, students will explore th...
K-Pop and BTS, how much can they earn from Youtube and Spotify?
Bring a little K-pop music to your class w...
How long will it take you to trick-or-treat?
It's Halloween and this is your neighborhood...