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Lesson Plan
Curated OER

Sea Squares

For Teachers 10th
For this sea squares worksheet, 10th graders solve 5 different problems that include various geometrical figures. First, they draw a number line using one color. Then, students draw 2 obtuse angles and 3 isosceles triangles with...
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Handout
The Math League

The Math League: Pentagon

For Students 9th - 10th
This site contains a definition of a pentagon.