Curated OER
Reading Trees: Understanding Dendrochronology
Students examine tree-ring dating and discuss the lack of water the settlers in Jamestown faced. They create paper tree rings, simulate rain patterns, and describe the history of construction paper tree sequences.
Curated OER
Perimeter
Students explore the concept of perimeter. In this perimeter activity, students discuss how to find perimeter of various shapes. Students use the Perimeter Explorer applet to find the perimeter of various shapes.