This worksheet is designed to replace a lecture on the topic of using algebra to represent geometry problems involving angles: linear pairs, the triangle sum theorem, vertical angles, parallel lines and transversals, the exterior angle theorem (EAT), and breaking figures down into their component parts in order to solve them.
I start out class with a 15-minute "mini-lesson," giving my students some basic examples of what today's lesson will be about. Once the mini-lesson is over, I have them get to work within their groups on this worksheet.
For most students, each section "starts off easy," as the problems involve only numbers, but then they ramp up to include algebraic expressions.
I use this activity within cooperative groups, and I circulate to make sure they are getting the purpose of the questions.
The file includes spiral review problems.
This worksheet is intended to be written on directly.
Please download the pdf preview file first, so you can see exactly what's included; the product file is a word document, which you may personalize for your students.
Immediately before this worksheet, I use the worksheet named 'Triangle Congruence and CPCTC - Proving Triangles Congruent - With Answer Key' (http://www.teacherspayteachers.com/Product/Triangle-Congruence-and-CPCTC-Proving-Triangles-Congruent-With-Answer-Key-473019
), and immediately after this worksheet, I use the worksheet named 'Isosceles and Equilateral Triangles Fall 2013' (http://www.teacherspayteachers.com/Product/Isosceles-and-Equilateral-Triangles-Fall-2013-1070794