Comments on: Understanding the Angles in Triangles https://mathgeekmama.com/interior-and-exterior-angles-in-triangles/ Fun and FREE Math Teaching Resources Sat, 13 Jun 2020 02:01:37 +0000 hourly 1 https://wordpress.org/?v=6.9.4 By: FREE Geometry Lesson | Free Homeschool Deals © https://mathgeekmama.com/interior-and-exterior-angles-in-triangles/#comment-24020 Tue, 07 Jun 2016 04:02:21 +0000 http://mathgeekmama.com/?p=10722#comment-24020 […] This simple, hands on geometry lesson will help these triangle properties stick! This set of FREE geometry lessons from Bethany at Math Geek Mama shows kids two different properties related to triangles. The […]

]]> By: Cabot https://mathgeekmama.com/interior-and-exterior-angles-in-triangles/#comment-19680 Mon, 25 Apr 2016 02:24:54 +0000 http://mathgeekmama.com/?p=10722#comment-19680 Are you sure you aren’t a fly on a wall in my home? My fifth grader covered this very thing in math last week! I had a crazy idea to have him cut out triangles, mark the interior angles, cut them off, and then see if they made a straight line. He kept saying “I know it is, Mom.” But I made him prove it anyway. His younger sisters thought it was pretty cool to see him using their glue sticks, too.

Thanks for a great printable & lesson. I’m filing away for a short week to use as a review – and to see if he still “knows it, Mom.” 🙂

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