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National Security Agency
Systems of Equations and Inequalities
High school classes can use manipulatives too! Offer hands-on, interactive lessons that venture away from the typical day in your algebra class. Young mathematicians will be involved in collaborative learning, visual...
Curated OER
Understanding the Bush Tax Cut Plan
The class examines the new tax cut plan proposed by President Bush. They practice calculating income tax rates and interpreting the data. Then they research topics that are of interest to them related to taxes.
Curated OER
Basic Excel
Students explore basic Excel spreadsheets. In this spreadsheet lesson plan, students enter Alaska weather information and perform calculations. Students title the columns on the spreadsheet and format the cells. ...
Curated OER
Connecting the Dots? Geometry and Architecture
Pupils examine the connection between geometry and architecture. In this geometry and architecture lesson, students view a video which details a geometry class design project. Pupils then use the Internet in a scavenger hunt to find...
Harvard University
The Nouns of Geometry
Socratic questioning to teach Euclidean geometry? "The Nouns of Geometry," followed by "The Verbs of Geometry," and the misfit, "A Beginner's Story - The Equilateral Triangle" are designed to encourage learners to explore various...
Curated OER
Open & Operating: The Federal Reserve Responds to September 11
Students investigate the purpose of a central bank. In this economics/consumer mathematics activity, students explore the actions of the Federal Reserve after the events of September 11, 2001. Students investigate the role of...