Curated OER
Sliding Along
Third graders explore the concept of linear measurements and how they work. Coins are used to reinforce the process.
Curated OER
Sliding Along
Third graders use a ruler that has a bag tie slider attached to it to measure a number of items. While measuring, they complete a "Sliding Along" worksheet and a "Sliding Synthesis Journal." In the journal entry, they include what they...
Curated OER
Perimeter
Students study about perimeter and the units used to measure perimeter using a variety of materials including their hands, feet, rulers, and computer applets. They understand such attributes as length, area, weight, volume, and size of...
Curated OER
Perimeter
Students explore the concept of perimeter. In this perimeter lesson, students discuss how to find perimeter of various shapes. Students use the Perimeter Explorer applet to find the perimeter of various shapes.