Unit Plan
CK-12 Foundation

Ck 12: Geometry: Angle Pairs

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Identify angle pairs as supplementary, complementary or neither.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 3.2 Asa and Aas Triangle Congruence

For Students 9th - 10th Standards
See how triangles are congruent where all corresponding angle pairs and sides are the same.
Interactive
Sophia Learning

Sophia: Complementary and Supplementary Angles

For Students 9th - 10th Standards
Complementary and Supplementary angles are explored in this tutorial video. [9:17] A PowerPoint presentation provides definitions of angle terms and a video offers examples for finding the missing angle in a supplementary or...
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 4.2 Theorems About Lines and Angles

For Students 9th - 10th Standards
Consider two parallel lines that are intersected by a transversal, and when it crosses the two others, many different angle pairs are formed. See the special properties of the angle pairs in this interactive.
Handout
CK-12 Foundation

Ck 12: Geometry: Angles Study Guide

For Students 9th - 10th Standards
This study guide on angles covers key vocabulary, ways to name angles, how to measure them, the Protractor Postulate and the Angle Addition Postulate, types of angles, congruent angles, angle bisectors, and angle pairs. It is available...
Handout
Math Open Reference

Math Open Reference: Angles

For Students 9th - 10th Standards
Everything you wanted to know about angles and more, including 1) how to measure angles 2) types of angles 3) angle relationships and 4) angles around a transversal.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Linear Pairs

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept will introduce students to linear pairs of angles.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Linear Pairs

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Identifying adjacent angles and vertical angles formed by intersecting lines
Unit Plan
Khan Academy

Khan Academy: Equation Practice With Angle Addition

For Students 7th - 8th Standards
Given the sum of a pair of angles and the algebraic expressions that represent them, form and solve an equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Khan Academy

Khan Academy: Equation Practice With Vertical Angles

For Students 7th - 8th Standards
Given algebraic expressions that represent a pair of two vertical angles, form and solve an equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Free Math Help

Free Math Help: Special Pairs of Angles

For Students 9th - 10th Standards
The lesson investigates special pairs of angles. Topics explored include complementary, supplementary, and vertical angles. Students learn about the concept and view diagrams and exercises with solutions.
Activity
Texas Instruments

Texas Instruments: Navigating Dc by Angles

For Teachers 9th - 10th
Students can use a map of Washington, DC, to travel to/from different tourist locations using vertical angles, corresponding angles, alternate interior angles, alternate exterior angles, same-side interior angles, and linear pairs.
Unit Plan
CK-12 Foundation

Ck 12: Linear Pairs

For Students 9th - 10th
[Free Registration/Login Required] Students explore linear pairs by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn more about the concept by watching...
Unit Plan
CK-12 Foundation

Ck 12: Linear Pairs

For Students 6th - 9th
[Free Registration/Login Required] Students explore the concept of linear pairs by navigating through the interactive learning module and then answering questions that go along with the module.
Interactive
Davidson College

Davidson College: Valence Shell Electron Pair Repulsion (Vsepr) Model

For Students 9th - 10th
Presents examples of molecules that do not match the expected bond angles in the Valence-Shell Electron-Pair Repulsion Model. Requires Java.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 6.3 Aa Triangle Similarity

For Students 9th - 10th Standards
If two triangles are similar, it means that all corresponding angle pairs are congruent and all corresponding sides are proportional. However, in order to be sure that two triangles are similar, you do not necessarily need to have...
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 3.4 Sss Triangle Congruence

For Students 9th - 10th Standards
Discover if two triangles are congruent it means that all corresponding angle pairs and all corresponding sides are congruent.
Activity
Texas Instruments

Texas Instruments: Parallel Lines, Transversals and Angles

For Teachers 6th - 8th Standards
This activity allows students to: 1. Identify the pairs of angles formed when a transversal intersects two lines.: 2. Measure angles Using Cabri Jr. 3. Identify relationships between pairs of angles when a transversal intersects parallel...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Linear Pairs

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Solve linear pair problems.
Handout
Math Open Reference

Math Open Reference: Linear Pair of Angles

For Students 9th - 10th Standards
Learn about linear pairs of angles with this helpful reference tool. Provides a detailed definition and an interactive activity that enhances further explanation. Includes links to related topics.
Unit Plan
CK-12 Foundation

Ck 12: Molecular Geometry

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] The following online tutorial explains the basis of VSEPR theory. It helps students predict the shapes of molecules and polyatomic ions using VSEPR theory and it...
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 13.3 Sas Triangle Congruence

For Students 9th - 10th Standards
See how two triangles are congruent it means that all corresponding angle pairs and all corresponding sides are congruent.
Whiteboard
ClassFlow

Class Flow: Linear Pair and Vertical Angle Discoveries

For Teachers 9th - 10th
[Free Registration/Login Required] In this Flipchart, students explore linear pairs and vertical angles. Students determine the measure of interior and exterior angles.
Handout
Georgia State University

Georgia State University: Hyper Physics: Polarization by Absorption

For Students 9th - 10th
The operation of Polaroid filters on a pair of sunglasses is shown.

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