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The drag in swimming - More Olympics activities
The drag in swimming - More Olympics activities

To win in Olympic swimming, contestants have to be incredibly fit and have marvelous endurance and technique. Do they also need to consider the science of their motions...

Algebra Math and Science Grades 6–HS
Olympic Skateboarding
Olympic Skateboarding

We are very excited to see skateboarding as an event in the Tokyo Olympics. Skateboarding is athletic, artistic and difficult to master. Why has it taken so long...

Algebra Number Sense Grades 4–HS
Ranked Choice Voting in NYC
Ranked Choice Voting in NYC

New York City is still tallying its election results for a new Mayor. This year they tried Ranked Choice Voting. What does that mean? How does that work?...

Algebra Number Sense Grades 5–HS
Betsy Ross's 5-pointed star
Betsy Ross's 5-pointed star

Flag of the United States from 1777 to 1795. In honor of Independence Day we thought it would be fun to look at one story about the first...

Algebra Geometry Grades 4–HS
How much is a trillion dollars?
How much is a trillion dollars?

U.S. Congress is now debating how much money to approve on spending for infrastructure. The numbers are between 1 and 3 trillion dollars. I can't even fathom that...

Algebra Number Sense Grades 4–7
Penny Wars anew
Penny Wars anew

Act One: Check out all of the pennies! What questions come to mind? If you want the most money, which container should you pick? What information do you...

Geometry 3-act tasks Grades 7–HS
What is Juneteenth?
What is Juneteenth?

You can appreciate why this is such a great celebration when you look at the stages and some of the events and dates of America moving towards freedom...

Number Sense Math and Social Studies Grades 4–HS
Do caffeinated drinks have similar amounts of jolt?
Do caffeinated drinks have similar amounts of jolt?

We found this interesting caffeine infographic at visual.ly. Wonderings? How many McDonalds coffees do I need to get the same amount of caffeine that I would get in...

Geometry Math and Science Grades 6–HS
Payday loans - What are they?
Payday loans - What are they?

When you need a loan, and you're desperate for help, is a Payday loan a good idea? What is a PayDay loan? How is it different from a...

Algebra Number Sense Grades 5–HS
Tree for Springtime
Tree for Springtime

Here in the Northeast, flowers are blooming and trees are leafing out. We thought the creation of a tree that grows before your eyes might be akin to...

Algebra Geometry Grades 3–HS
AQI - Air Quality Index
AQI - Air Quality Index

The AQI is a measurement of how much particulate matter, dangerous ozone, carbon monoxide, nitrogen dioxide and sulfur dioxide there is in the world's atmosphere at any one...

Number Sense Math and Science Grades 4–HS
How much did the tooth fairy give you when you lost a tooth?
How much did the tooth fairy give you when you lost a tooth?

Think back to when you were loosing your baby teeth. What was the going tooth rate in your house? Do you think that, on average, you were paid...

Algebra Number Sense Grades 3–5