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Interactive
Curated OER

Coordinate Geometry

For Students 6th - 8th
In this geometry worksheet, students calculate the midpoint and distance between two points. They use the correct formula to solve the area and perimeter of polygons. There are 20 multiple choice questions with an answer key.
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Lesson Plan
Curated OER

Water: On the Surface and in the Ground

For Teachers 9th - 12th
Learners explore the differences between surface water and ground water. They collect data using maps and graphs and investigate a Texas river basin and a nearby aquifer. They complete a written report including maps and data regarding...