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Can you show that the Pythagorean Theorem works?
Can you show that the Pythagorean Theorem works?

Use this activity to help your students work through the meaning of the Pythagorean theorem. Pythagorean theorem experiences are often skill and drill work with contrived right triangle...

Algebra Number Sense Grades 5–HS
Extreme weather 2020
Extreme weather 2020

Because of climate change, we've been having too many extreme weather events. There have been unusual droughts and heat in the West, an increased number of hurricanes, severe...

Number Sense Math and Science Grades 4–7
USPS needs help!
USPS needs help!

The U.S. Postal Service has been in the news lately. Does it seem like your mail takes longer to reach where you have sent it now? Do you...

Algebra Number Sense Grades 4–HS
Ramen noodle heist
Ramen noodle heist

In 2018, a truck trailer was stolen from a parking lot in Georgia. The trailer was filled with Ramen noodle packages and its contents were valued at $98,000....

Number Sense Geometry Grades 3–6
Do you want to be an NBA virtual fan?
Do you want to be an NBA virtual fan?

For health concerns, professional sports now have no actual live fans. To help generate the excitement and semblance of fans, some teams use cardboard cutouts of people. Some...

Number Sense Geometry Grades 2–5
How big is this hornet really?
How big is this hornet really?

Egad !!!! Giant Asian hornets have now migrated to Washington state and British Columbia. Even though they are sometimes called "murder hornets" their stings aren't fatal. Their stings...

Number Sense Geometry Grades 3–6
How much water should you be drinking?
How much water should you be drinking?

As we are outdoors more and temperatures are rising, it might be a good time to look at hydration. A healthy requirement for fluids can't really be the...

Algebra Science Grades 4–HS
How fast will my new puppy mature?
How fast will my new puppy mature?

Dudley , born 11/10/2019 Dudley has just come to live with us. He is just a puppy and he is full of energy. He's settling in well even...

Algebra Number Sense Grades 5–HS
Really stuffed!
Really stuffed!

Wow, these cookies look really stuffed! How much more "stuffed" are they compared to Triple Double Oreos, Double Stuf Oreos or even Original Oreos. Does this look yummy...

Algebra Number Sense Grades 4–HS
String design, ellipses, and orbital mechanics
String design, ellipses, and orbital mechanics

Here's a different and somewhat artistic way to encourage understanding of a conic section. Participants physically build an ellipse by choosing two foci and sketching the figure through...

Number Sense Geometry Grades 6–HS
Coronavirus trends
Coronavirus trends

Johns Hopkins University of Medicine has a team that maintains current maps and data about the Coronavirus. They record changes and show trends of the virus activity throughout...

Algebra Math and Science Grades 6–HS
I bought toilet paper online
I bought toilet paper online

We needed more toilet paper at home but there wasn't any at the store. So, I ordered this online. When it came I was surprised. Read on ...

Algebra Number Sense Grades 4–7