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Introduces elementary students to sets and elements using shapes.

This worksheet is for use with the Elementary Angles lesson plan (http://www.shodor.org/interactivate/lessons/AnglesElem/).

Students learn about perimeter and the units used to measure perimeter using a variety of materials including their hands, feet, rulers, and computer applets.

Practice reading a clock, input times for the clock to display, or let the clock generate random times for you to read. Choose from three difficulty levels. Clock Wise is one of the Interactivate assessment explorers.

This worksheet is for use with the Clock Wise activity (http://www.shodor.org/interactivate/activities/ClockWise/).