Lesson Plan
Curated OER

Minimize Perimeter

For Teachers 9th - 12th
Students use the graph and equation of a perimeter function to find characteristics that minimizes the perimeter of a rectangle. They comprehend that in business situations, such as packaging and city planning, minimizing perimeter is an...
Interactive
Curated OER

Word Problems that involve Circles

For Students 10th
In this geometry worksheet, 10th graders solve application word problems based on knowledge of a circle. The one page interactive worksheet contains four questions. Answers and hints are included. 
Lesson Plan
Curated OER

Speed of a Forest Stream

For Teachers 7th - 12th
Students study stream speed.  For this stream speed lesson students complete an activity and formulate an opinion and study its effects.