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Lesson Plan
Curated OER

Geometry Practice: G.G.28 #1: Congruent Triangles

For Teachers 9th - 12th
In this congruent triangles worksheet, students solve four multiple choice problems. Students determine which statement is the appropriate reasoning to say that two triangles are congruent.
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Worksheet
Curated OER

Triangle Congruence

For Students 8th - Higher Ed
In this triangle congruence learning exercise, students review 4 triangle congruence properties and 4 examples. Students are then prompted to complete 15 problems analyzing whether two triangles are congruent and determine by which...
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Interactive
Curated OER

Self-Check for Triangle Congruence Proofs Multiple Choice

For Students 8th - 10th
In this triangle congruence worksheet, students select the postulate that is being illustrated to prove congruence between triangles. The worksheet is self-scoring. Once students select the "check your work" link, they are given their...
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Lesson Plan
Curated OER

Congruent Triangles

For Teachers 9th - 12th
Learners explore the concept of congruent triangles.  In this congruent triangles instructional activity, students use Cabri Jr. to construct two congruent triangles using circles.  Learners determine if the two triangles are...
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Worksheet
Curated OER

Geometry Practice: G.G. 28 #2: Triangle Congruence

For Students 10th - 12th
In this triangle congruence worksheet, students use SSS, ASA, AAS and HL to determine the congruence of triangles.  They identify the theorem that proves congruence.  This three-page worksheet contains 4 multi-step...
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Primary
Christian Classics Ethereal Library

World Wide Study Bible: 2 Chronicles

For Students 9th - 10th
An excellent resource for researching 2 Chronicles on the Internet. This site provides links to many different sites about 2 Chronicles.
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Unit Plan
Royal Society of Chemistry

Royal Society of Chemistry: Learn Chemistry: Aspirin Screen Experiment

For Students 11th - 12th
This learning module includes videos, a simulation, teacher and student notes, background information, and worksheets. In the simulation, students navigate four levels to complete an experiment with aspirin. It is intended as a...
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Activity
Texas Instruments

Texas Instruments: Congruent Triangles

For Teachers 9th - 10th Standards
This activity works with a PowerPoint presentation to have students answer questions as to what method a pair of triangles can be proven congruent: SSS, SAS, ASA, AAS, HL.
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Handout
Encyclopedia Mythica

Encyclopedia Mythica: African Mythology

For Students 9th - 10th
From Encyclopedia Mythica, this page lists the names of more than a hundred characters, places, items, gods, and goddesses associated with African mythology. Click on an item to read more information about it.
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Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Law of Sines

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson introduces the Law of Sines for two cases.
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Activity
Math Is Fun

Math Is Fun: Solving Triangles

For Students 9th - 10th Standards
Find guidelines to help you "solve" triangles, which means finding the value of missing sides and angles. Provided are examples of six scenarios in which you can solve a triangle's missing measurements, as well as relevant equations,...
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Website
Other

Asa: American Society Anesthesiology

For Students 9th - 10th
American Society of Anesthesiologists' homepage. Includes various topics such as the scope of practice, patient safety, and history of ASA. Includes requirements of certification.
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Website
Other

The Auto Channel

For Students 9th - 10th
Website contains the latest news, issues, road conditions, recalls, and reports for the car owner and auto industry.
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Handout
CK-12 Foundation

Ck 12: Geometry: Triangle Congruence Study Guide

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Provides an overview of triangle congruence, including key terms, properties of congruent triangles, triangle postulates and theorems, and special triangles.
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Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Angle Side Angle Triangles

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Find the unknown side of a triangle when two angles and the included side are known.
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Website
Other

Advertising Standards Authority Website

For Students 9th - 10th
This site, which is the homepage for the Advertising Standards Authority, provides lots of information on the advertising industry and what's legal/not legal in advertising.
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Website
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Congruence and Triangles

For Students 9th - 10th Standards
This site gives a very thorough explanation of how to tell if two triangles are congruent. Dr. Math explains why SSS, SAS, ASA determine that two triangles are congruent. The Dr. gives a few exercises for the reader to try then gives the...