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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...
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...
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...
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?...
I t' s t i m e t o d y e e g g s ! What do you wonder about these recipes (See the activity) for...
In this activity students have the opportunity to color as they investigate Pascal's triangle and the many useful patterns that it shows. The triangle is explored for patterns,...
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?...
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...
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...
By George C. Baxley This year we will add the 29th of February to our year? Why do we do that? How can you tell? What if we...
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...
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...