# Angles & Triangles Assessment Bundle

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(2 MB|20 pages)
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Standards
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• StandardsNEW
Bundle Includes:

1) Triangles: Determining Missing Angles Worksheet - Includes 6 practice problems and requires students to read geometric symbolism; students practice determining the value of x in a given triangle and/or missing angle measures.

2) Angles Review: Complementary, Supplementary, Vertical & Adjacent - 29 Practice problems involving the intersection of 2 lines, complementary, & supplementary angles

Skills:
**True/false: differentiating between vertical and adjacent/supplementary angles with 2 intersecting lines, using vocabulary, reading geometric symbolism, justifying answers

**Determining unknown angle measures when 2 lines intersect

**Writing & solving equations to determine unknown angles when 2 lines intersect

**Error analysis

**Determining unknown angles measures of complementary & supplementary angles

**Writing & solving equations to determine unknown angle measures given complementary & supplementary angles and geometric symbolism

3) Angles & Triangles Test - 16 question test (2 versions of the test & answer key included) in which students must demonstrate the following knowledge about angles & triangle:

**Recognizing appropriate equations to represent complementary, supplementary & vertical angles

**Applying knowledge of vertical & adjacent angles to determine an unknown angle measure given one measurement and the intersection of 2 lines

**Classifying triangles by sides and/or angles given its angle measures and/or side lengths

**Communicating mathematically the process of solving an equation to determine the value of x given a triangle's angle measurements that include variables

**Determine the value of x & an unknown angle measure given complementary angles

4) Angles & Triangles Pretest - 6 questions quick assessment of 5th and 6th grade prior knowledge of angles and triangles to be utilized prior to instruction
Use informal arguments to establish facts about the angle sum and exterior angle of triangles, about the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles. For example, arrange three copies of the same triangle so that the sum of the three angles appears to form a line, and give an argument in terms of transversals why this is so.
Use facts about supplementary, complementary, vertical, and adjacent angles in a multi-step problem to write and solve simple equations for an unknown angle in a figure.
Draw (freehand, with ruler and protractor, and with technology) geometric shapes with given conditions. Focus on constructing triangles from three measures of angles or sides, noticing when the conditions determine a unique triangle, more than one triangle, or no triangle.
Total Pages
20 pages
Included
Teaching Duration
N/A
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