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?
Number Sense
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...
World record Snickers Bar
In late January, workers at the Mars Wrigley plant in Waco, Texas created this giant Snickers Bar. It won a spot in The Guinness Book of Records as the World's largest Snicker's Bar.
Wh...
What is with this chart?
A fellow teacher, Laura Deschaines, saw this chart on the news the other night. What do you notice? Does anything seem amiss? What should it look like?
For Adventurer members we...
Mixing colors with food dye
It's time to dye eggs!
What do you wonder about these recipes (See the activity) for coloring?
What would happen if I used the wrong recipe (i.e. cake mix instead of egg dying) for co...
Data remaining ... tricky
I checked my data usage for the month. What do you notice and wonder (see the activity)?
What could my data plan be?
How much have I used?
How much will...
Which gasoline is the cheapest?
When Brian traveled to Crete last summer with his wife and son on an Archaeological dig, buying gasoline for his small rental car got him wondering again.
He was pretty g...
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...
It's Girl Scout cookie time again!
Let your students talk about their favorite Girl Scout cookies as they figure out what the local GS chapter really earns from these sales. Use this old graphic (where a box...