College Board
Teaching Students How to Write AP Statistics Exam Responses
But this is math—we don't need to know how to write! The article makes a point that class members in AP® Statistics should be comfortable writing as the exams require it. Individuals quickly realize that quality writing is crucial to a...
CK-12 Foundation
Length of an Arc: Pi Hour
What time is it when the arc length is pi? An interactive displays the measure of the angle created between the hour and minute hand of a clock. Pupils can set the clock to different hours and calculate the arc length based upon the radius.