Interactive
CK-12 Foundation

Area Between Curves: Income and Expenses

For Students 11th - Higher Ed
Use the area of polygons to calculate the area between curves. Pupils calculate areas under income and expense curves by filling the space with squares and right triangles. Using that information, they determine the profit related to the...
Lesson Plan
The New York Times

Where to Draw the Line: Balancing Government Surveillance with the Fourth Amendment

For Students 9th - 12th Standards
The question of how to balance Fourth Amendment Rights with national security concerns becomes critical in an age of planned terrorist attacks, election interference, and fake news. Get young social scientists involved in the debate with...
Interactive
CK-12 Foundation

Scientific Notation Values

For Students 6th - 8th Standards
Scientific notation is the focus of a five-question interactive. A model with movable points offers a visual reference to help solve true or false, multiple-choice, and fill in the blank questions. A discussion question challenges...

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