Triangle Classification Made Easy!

First, we added some mini triangle classification charts from my 2-Dimensional Foldables Packet to our interactive math notebooks.  I also displayed this anchor chart at the front of the room as we talked about the 2 ways to classify triangles.

Then, we cut out, colored, and labeled the first set of triangle foldables.  This set required students to classify the triangles according to length of sides: Scalene, Isosceles, and Equilateral.  Then, students glued the foldables onto the next page of their notebooks.

Next, the students did the same thing with the second set of triangle foldables.  This set was classified according to types of angles: Acute, Obtuse, and Right.

Now that the students were more familiar with the 2 ways to classify triangles, they were ready to practice.  I drew a triangle on the Smartboard and had students classify it in both ways and write their responses on their dry erase boards.  Overall, they were quite successful!

I took the students to a more difficult level by asking them to draw a certain type of angle, classified both ways.  For example, they had to draw a scalene, acute triangle or a scalene, obtuse triangle. This proved to be more difficult for them, but I love challenging my students and seeing them rise to the occasion!

You can also use triangle foldables in your students’ notebooks.  Have students make their own, or you can find my pre-made foldables in my best-selling 2-Dimensional Shapes Foldables Packet at my TPT Store.