Sorting Folder Manipulatives for Chemistry

About: I'm a physics and chemistry teacher at a public school in Maryland and active in my local science teacher's association. I love building things and am teaching myself how to use arduino in electronics projec...

A sorting folder is a great opening activity to practice the similarities and differences between two different things. The examples I posted are for comparing oxidation and reduction and intramolecular forces and intermolecular bonds.

Materials needed:
8.5 x 11 inch paper
list of examples of two different categories of items

To make a sorting folder, just fold a piece of paper in half "hot dog style", then open the fold and fold up about a third of the way to make a pocket for the cards.

Then print a list of examples for each category and cut them apart. The students are to sort the set into the two categories. I ask students to work in teams of two when using their sorting folders. Its great review before a test or before the final exam at the end of the course.

My examples are for chemistry, but sorting folders can be designed for any subject where you are sorting between categories, or even as a series of examples and non-examples.

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