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# Vertical Angles

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Vertical Angles

This concept introduces students to vertical angles.

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## Vertical Angles

Identify adjacent and vertical angles formed by intersecting lines and then find missing angle measures.

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• PLIX

## Vertical Angles

Vertical Angles Interactive

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• Video

## Vertical Angles Principles

This video gives more detail about the mathematical principles presented in Vertical Angles.

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• Video

## Vertical Angles Examples

This video shows how to work step-by-step through one or more of the examples in Vertical Angles.

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## Vertical Angles Quiz

Ten problem quiz, short answers. Students need to identify vertical angles and give justification proving that the angles are vertical. Students need to solve for missing vertical angles, both with simple arithmetic and algebraically.

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• Interactive Exercise

## Supplementary Angles--Word Problem

Solve for the unknown angle. You are only given information in writing.

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• Practice
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## Vertical Angles Practice

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• Interactive Exercise

## Supplementary Angles

Given a set of adjacent, supplementary, angles find the measure of the unknown measure.

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• Interactive Exercise

## Vertical and Supplementary Angle Facts

Displays several statements about vertical and supplementary angles. Decide whether each is true or false.

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• Interactive Exercise

Displays a pair of adjacent, supplementary angles. Find the measure of the unknown angle.

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• Interactive Exercise

## Algebra and Adjacent Supplementary Angles

Two supplementary angles are displayed. Use algebra to find the value of x.

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• Interactive Exercise

## Supplementary Angles--Word Problem

Solve for the unknown angle. You are only given information in writing.

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• Interactive Exercise

## Unknown Complementary Angle Word Problem

Presents a problem involving two complementary angles. Can you solve for the unknown angle?

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• Interactive Exercise

## Unknown Complementary Angle Word Problem with Algebra

Presents a problem involving two complementary angles. Can you solve for the unknown angle?

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• Interactive Exercise

## Unknown Greater Complementary Angle Word Problem

Presents a problem involving two complementary angles. Can you solve for the unknown angle?

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• Interactive Exercise

## Linear Pair Facts

Displays several statements about linear pairs. Decide whether each is true or false.

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• Interactive Exercise

## Form a Linear Pair

Displays either a linear pair or not a linear pair. Decide whether the statement is true or false.

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• Interactive Exercise

## Vertical Angle

Displays two intersecting lines. What is the value of x?

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• Interactive Exercise

## Algebra and Vertical Angles

Displays two intersecting lines. The measures of two angles are given as algebraic expressions. Determine the value of x.

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• Critical Thinking

## Vertical Angles Discussion Questions

A list of student-submitted discussion questions for Vertical Angles.

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To encourage students’ critical thinking about vocabulary concepts, to allow students to reflect on their knowledge of individual vocabulary words, and to increase vocabulary comprehension using the Vocabulary Self-Rate.

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To stress understanding of a concept by summarizing the main idea and applying that understanding to create visual aids and generate questions and comments using a Concept Matrix.

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To stimulate the critical thinking skills required to assess the validity of statements about the key concept using an Agree/Disagree Table.

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To organize ideas, increase comprehension, synthesize learning, demonstrate understanding of key concepts, and reinforce vocabulary using a Quickwrite.

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## Identify Adjacent and Vertical Angles Formed by Intersecting Lines While Read

Promote connections between specific points in the concept’s reading and the reader’s personal experiences. Connect text with personal experience in order to deepen understanding and engagement as well as promote class discussion.

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• Real World Application

## Vertical Angles

What is the maximum vertical angle of a roller coaster?

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• Study Guide