In this activity, students solve problems about angle relationships by writing and solving an equation to find a missing measure. This resource covers complementary angles, supplementary angles, and vertical angles. Some questions include a diagram of the angles; some questions include a verbal description of the angle relationship. This resource is designed for a high school geometry course or an advanced middle school course.
Students work in three-person cooperative learning groups. This activity provides great practice after a lesson or can be used for review before a test or assessment.
Each group member has a different set of problems, but the answer to #1 is the same in all sets. The same is true of the rest of the problems in each set. The sets are differentiated.
* Set A is the most basic. The problems generally have fewer steps than the other sets. One problem includes a verbal description of the angle relationship, but the expressions are provided.
* Set B is more challenging than Set A. Some of the problems require a few additional steps. The verbal description must be translated into an expression for each angle.
* Set C is the most challenging. Some questions require students to interpret the diagram for additional pieces of information. The equations generally have more steps. Some problems involve multiple relationships.
This file includes instructions, an answer key with solutions worked out for all sets, and three printable student pages. (Set A, Set B, and Set C)
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