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 ...
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...
What's the answer?
Image by Twitter user @pjmdoll.
Math doesn't usually create a buzz on Twitter. This past week this post did just that. People argued online about whether the answer was 16 or...
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 ...
How does the pay for women's soccer compare to that of men's?
All soccer players on a team aren't paid the same. The best players are paid more than the simply great players. And in Women's soccer those same differences exist bu...
Opening Weekend - Avengers: Endgame
Can you tell from its opening weekend how much the new movie, Avengers: Endgame, might earn in theaters? This activity can be used anytime and is especially timely when there i...