Activities about HSA/CED

What is my best gasoline option?

Jason Kibbe, 6-8 Gifted Support Teacher in Chambersburg, PA, sent us this timely investigation. Should I pay the membership fee and get BJ's gasoline? Should I just buy...

Algebra Number Sense Grades 6–HS

Bowl by the hour or the game?

What should you consider when choosing how to pay? Which do you expect will be the best deal? How do you know? For Adventurer members we have an...

Algebra Number Sense Grades 5–HS

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

Alarming ice cracks on Brunt Ice Sheet in Antarctica

A new, fast-growing ice crack is forcing the Halley VI British research station in Antarctica (shown above) to be moved. Fear of a huge break-off from the ice...

Algebra Number Sense Grades 6–HS