Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Srt Folding a Square Into Thirds

For Teachers 9th - 10th Standards
The goal of this task is to apply knowledge about similar triangles in order to understand an origami construction: trisection of the side of a square. Aligns with G-SRT.B.5.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 8.ee Folding a Square Into Thirds

For Teachers 8th Standards
This exercise begins with students folding a square piece of paper according to directions and aligning it on a coordinate grid. They then must find and solve a pair of linear equations which can be used to understand how to fold a piece...