Integrate inquiry-based teaching into your curriculum with this library of Algebra 1, Geometry, and Algebra 2 lessons and investigations aligned to your math textbook and state standards.

Online courses provide convenient and flexible subject-specific support for teaching with Sketchpad and Fathom software and implementation support for Engineering the Future.

Key’s online courses are taught using Sketchpad 5. Version 4 users will still be able to participate.

Easily integrate The Geometer's Sketchpad® into your classroom with this extensive library of more than 500 activities aligned to your textbook, state standards, and subject area.

Build your students' basic skills, keep them motivated, and easily monitor their progress as they work through Key to...® Workbooks for fractions, decimals, percents, and algebra.

Access Key's electronic teaching materials and online textbooks, which include additional features to enrich learning (available at no cost to schools that adopt Key textbooks).

This free online, printable resource provides you with easy access to instructional materials for the Interactive Mathematics Program®.

Gather data, compile lab results, and conduct surveys quickly and easily using this free service for Fathom ™ Dynamic Data Software users.