Perfect for a math journal!
This matchbook foldable focuses on intersecting, parallel and perpendicular lines. A definition and a visual representation is given of each.
To assemble a matchbook foldable, make a two sided copy (cover on one side and inside on the other). While looking at the inside, bring the top down to the bottom horizontal line and fold. Then bring the bottom up, folding on the bottom horizontal line. The finished product will look like a giant matchbook. I would cut the three line types apart (on dotted line) after the folding is complete.
Always make a test copy before copying for your students to make sure the cover and inside fold up properly. Note that the cover is intentionally upside down for easier printing.