Handout
Khan Academy

Khan Academy: Angles of Elevation and Depression

For Students 9th - 10th
Learn what the terms angle of elevation and angle of depression mean. The words may be big but their meaning is pretty basic!
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Khan Academy

Khan Academy: Geometric Definitions

For Students 9th - 10th Standards
Check your understanding of the definitions of geometry terms in this exercise. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
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Khan Academy

Khan Academy: Congruence and Transformations

For Students 9th - 10th Standards
Given a pair of figures in the coordinate plane, try to map one onto the other and determine whether they are congruent. Includes examples of glide reflections. Students receive immediate feedback and have the opportunity to try...
Website
Math2

Math2

For Students 9th - 10th Standards
This is a site for students and teachers of all grade levels. If you are looking for math tables, general information about math topics, or you would like to ask a question, this is the site to visit.
Lesson Plan
Alabama Learning Exchange

Alex: Let's Go Hunting!

For Teachers 9th - 10th Standards
Students will work in groups of 3 or 4 scouring the campus for items of various shapes, sizes and angles. The items that students will be looking for are outlined on the rubric. Students will use technology to create a creative digital...
Lesson Plan
Utah Education Network

Uen: What's My Structure?

For Teachers Pre-K - 1st Standards
Explore two and three dimensional geometric shapes by creating shapes based on descriptions.
Lesson Plan
Annenberg Foundation

Annenberg Learner: Insights Into Algebra 1. Workshop 8

For Teachers 9th - 10th Standards
Students will construct a mathematical model of a gear to determine the number of revolutions.
Unit Plan
Vernet -Virtual Education Resources Network

Salon Hogar: Referencia Rapida De Formulas Geometricas

For Students 9th - 10th Standards
This site provides the user with a useful reference to different geometric forms, their elements, formulas, and areas. Entirely in Spanish.
Activity
Ministry of Education and Employment of Spain

Red Escolar: Un Triangulo Sorprendente

For Students 9th - 10th Standards
In Spanish. Different activities which involve the following concepts: right triangles, perpendicular lines, classification of triangles, area of a square and Pythagorean theorem.
eBook
Quia

Quia: Spanish 2 Final Exam Review 2003

For Students 4th - 8th Standards
You can assess your knowledge of the various parts of angles and lines at this web site. You respond to a series of questions. A running total is visible showing the number of correct responses you have as you work your way through the...