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Shopping season already!
Shopping season already!

We used to see holiday sales right after Thanksgiving but, surprisingly, holiday shopping has already begun. Sales are advertised everywhere. Students will be able to add some understanding...

Number Sense Math and Social Studies Grades 5–8
Watson saves
Watson saves

Ben Watson, former American Football tight end, made a remarkable play in 2005 that will forever remain one of the all-time great tackles. The play was in the...

Algebra Geometry Grades 7–HS
Viral Growth - Talk like a Pirate Day
Viral Growth - Talk like a Pirate Day

Sunday, September 19 th is "Talk like a Pirate Day". Bring some humor and marketing understanding to your students with this activity about a silly holiday that has...

Algebra Number Sense Grades 7–HS
Steepness and fall hiking
Steepness and fall hiking

Fall is a beautiful time of year for hiking. Many students will be walking in the woods and mountains to enjoy the colorful leaves and the cool weather...

Algebra Number Sense Grades 7–HS
Just ONE hot dog
Just ONE hot dog

A newly released nutritional and environmentally sustainable study shows that eating just one hot dog can take 36 minutes off your total healthy lifespan. How many would you...

Algebra Number Sense Grades 4–HS
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 7–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 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 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 4–HS
Does an NFL player's draft order mean a lot for the player?
Does an NFL player's draft order mean a lot for the player?

This Thursday, April 27th, college football players will be awaiting knowing their futures in the NFL.Every spring, roughly 250 college football players are drafted by NFL teams through...

Algebra Sports Grades 6–HS
John Urschel, retired Baltimore Raven and Black mathematician
John Urschel, retired Baltimore Raven and Black mathematician

John Urschel is a young man with several seemingly disparate characteristics and talents. He is an athlete and a mathematician and he is a black man and a...

Number Sense Math and Social Studies Grades 3–HS
At least the days are getting longer
At least the days are getting longer

What's your guess? How fast are the number of daylight hours changing each day? Are the changes dramatic or subtle? Students make guesses; compute how long, on average,...

Algebra Number Sense Grades 5–8