Lesson Plan
Willow Tree

Angle Measurement

For Students 8th - 11th Standards
What do you create when you rotate a ray? An angle! Teach all the angle basics including naming, measuring, supplements, and complements. 
Lesson Plan
Willow Tree

Angles Formed by Transversals of Coplanar Lines

For Students 8th - 11th Standards
Create a strong understanding of the relationships formed when parallel lines intersect a transversal. Discuss each type of angle pair and their relationship to each other. 
Handout
El Paso Community College

Geometry Definitions

For Students 7th - 9th Standards
Geometry is full of shapes, figures, and corresponding things here and there. The guide shares all of the key pieces of geometric information in a nicely color-coded and labeled sheet. 
Handout
National Institute of Open Schooling

General Characteristics of the p-Block Elements

For Students 9th - 12th Standards
The 20th installment in a series of 36 focuses on the characteristics of the p-block elements. Learners discuss, read about, and answer questions pertaining to the occurrence of these elements in nature, their electron configurations,...
Handout
Lockport City School District

Reasons for Geometric Statement/Reason Proofs

For Students 8th - 11th Standards
Stuck trying to remember the formal language of a geometric proof? Never fear, this handout has them all ready to go. The reasons are sectioned by topic so this handy guide is ready when you are to tackle those two column proofs. 
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.
Handout
Quia

Ixl Learning: Vertical Angles

For Students 9th - 10th Standards
Brush up on your math skills relating to vertical angles then try some practice problems to test your understanding.
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
Geometry Help

Geometry Help: Intersecting Lines and Angles

For Students 9th - 10th Standards
Explains the basic concept of intersecting lines and angles with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
Handout
Khan Academy

Khan Academy: Vertical Angles Review

For Students 6th - 8th
Review the basics of vertical angles, and try some practice problems.
Handout
University of Georgia

University of Georgia: Inter Math: Exterior Angles

For Students 9th - 10th
Intermath Dictionary's site defines terms relating to angles, gives examples, and offers interactive exercises.
Handout
Math Open Reference

Math Open Reference: Vertical

For Students 9th - 10th
Learn about vertical lines with this handy reference guide. Provides a detailed definition and examples that enhance further explanation. Includes links to related topics.
Handout
Math Open Reference

Math Open Reference: Vertical Angles

For Students 9th - 10th
A complete reference guide to vertical angles. It provides definitions, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
Handout
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Vertical Angles

For Students 9th - 10th Standards
Find a quick, concise explanation of vertical angles. An example is given and clearly explained.
Handout
Oswego City School District

Regents Exam Prep Center: Geometry Vocabulary Resources

For Students 9th - 10th
A list of geometry definitions and a matching activity.
Handout
Math Open Reference

Math Open Reference: Areas by Slicing

For Students 9th - 10th
Learn about alternate exterior angles with this handy reference guide. Provides a detailed definition and examples that enhance further explanation. Includes links to related topics.
Handout
Northeast Parallel Architectures Center, Syracuse University

Npac Reu Program: Slope & Line Equations

For Students 9th - 10th
This site from the Northeast Parallel Architectures Center, Syracuse University has a very substantial discussion of math topics slope & line equations. The outline form is quite useful if you need to zero in on one aspect of...
Handout
Khan Academy

Khan Academy: Angled Forces Review

For Students 9th - 10th
A review page discussing how to break down forces into the horizontal and vertical components when force is at an angle.

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