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.

Crazy fact: Some animals can survive months without oxygen. An online resource describes some unique ways animals collect oxygen and even live without it for an extended time. Learners read about these special animals and use pop-up...

In this online math worksheet, students practice adding and subtracting aspects of time. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching tool!

In this measurement of time worksheet, students complete 10 multiple choice questions. Students may click on a link to view correct answers.

In this measuring time learning exercise, students answer a set of 10 multiple choice questions. Students may click on an answer link.