Here is a lesson containing a great activity based on coordinates, and the perimeters of shapes created using a given set of coordinates. After youngsters creat a shape on a grid based on some coordinate pairs, they must identify which shape they have created, and calculate its perimeter. This is actually more of a worksheet than a lesson, but there is so much math learning going on, I believe it can stand as a lesson.
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- Reginald W., Teacher - Department Chairperson
- Humble, TX