Microns and Masks
How big is one coronavirus? How big is a micron? How well do these masks protect against the virus? What can you observe about the size of particles mentioned? Why are we wearing masks?
Current events
Genres
Grade
Stock Market headlines - Biggest losses since 2008
Algebra
Number Sense
Math and Social Studies
Current events
Ratio and Proportion
Data and probability
This year the Dow Jones Industrial Average made headlines as it dropped in March and April.
The Dow is measured in points but this decline can also be measured in the percentage lost. W...
Hoarding stopped!
A Danish market found an interesting way to limit hoarding of hand sanitizer.
How much are these costs in your currency?
What is the unit price on these bottles...
How many delegates does each state get to send to the Democratic Convention?
Texas gets to send a lot more delegates to the July National Democratic Convention than New Hampshire does. How do they figure out what each state's fair number of delegates ...
K-Pop and BTS, how much can they earn from Youtube and Spotify?
Bring a little K-pop music to your class with this activity.
Jason Kibbe, a terrific middle school math teacher in Chambersburg, PA, sent us an activity that he created for one of his stude...
So just print some more money!
What's the big deal with our deficit?
Do we actually borrow money to cover our debt?
If we do, imagine the interest charges?
Help your students...
Bears Ears revisited
There is some beautiful land in Utah that was changed last year from federally protected land to Utah overseen land. The buttes of Bears Ears (shown above) and the surrounding territory cont...
Louisiana
We recently watched the approach of Hurricane Barry and worried about the fate of Louisiana. After the devastation of Hurricane Katrina, what would another powerful hurricane do to this fragile ...
Value of a lifetime of Whoppers?
Locked in a smelly bathroom for one hour and then promised a lifetime of Whopper meals🍔, an Oregon man sued BK when the manager's promise was withdrawn.
How much money should he ask for in hi...
New Horizons spacecraft just flew by a really distant asteroid
Brian May, the lead guitarist of the rock band, Queen, is also an astrophysicist and one of the science team collaborators of the New Horizons space program. The video below is the song that he wrot...