Construction Boxes: The students used the constructive triangles in these boxes to learn that all plane geometric figures can be constructed from triangles. They worked with two different rectangular boxes, a triangle box, and a large and a small hexagon box. Each box they used contained triangles of different sizes, shapes, and colors. They used the boxes to explore and set a foundation for later concepts such as equivalency, similarity, and congruency.
![](https://thesmarterkids.com/wp-content/uploads/2018/03/2018-03-19-12.44.47_preview-300x225.jpeg)
![](https://thesmarterkids.com/wp-content/uploads/2018/03/2018-03-19-12.48.09_preview-300x225.jpeg)
![](https://thesmarterkids.com/wp-content/uploads/2018/03/2018-03-19-12.50.42_preview-225x300.jpeg)
![](https://thesmarterkids.com/wp-content/uploads/2018/03/2018-03-19-12.54.07_preview-225x300.jpeg)