Join our new online community—share Sketchpad® activities, sketches, ideas, and more!

We are not currently selling subscriptions to Sketchpad LessonLink. If you have an active subscription, access it by logging in to Key Online above. If you need to register as a new teacher in your school's already-existing subscription, click "Subscribe" below.

Online courses provide convenient and flexible subject-specific support for teaching with Sketchpad, TinkerPlots, and Fathom software.

Key’s Sketchpad 5 courses are taught using version 5.

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

We are no longer selling subscriptions to The Key to Tracker. If you have an active subscription, access it by logging in to Key Online above. If you need to register as a new teacher in your school's already-existing subscription, click "Subscribe" below.