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.
Lesson Plan
White House Historical Association

White House Historical Association: Desegregation of the Armed Services

For Teachers 9th - 10th
Information and lesson plan for grades 9-12 about President Harry Truman's work with A. Philip Randolph and other civil rights leaders to desegregate the armed services.
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,...
Primary
Library of Congress

Loc: Railroad Maps Collection: Transcontinental Railroad

For Students 9th - 10th
Find out about plans for a transcontinental railroad and surveys which plotted out possible routes. Part of a larger site on the history of railroads and maps.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Triangle Congruence

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Identifying and applying theorems to determine triangle congruence.
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.
eBook
Mathigon

Mathigon: Geometry: Triangles and Trigonometry: Triangles Congruence

For Students 9th - 10th Standards
This lesson focuses on triangle congruence; it shows the ways to prove that triangles are congruent.
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.
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.
Website
Smithsonian Institution

National Portrait Gallery: Breaking Racial Barriers

For Students 9th - 10th
Exhibition of portraits, accompanied by brief biographical sketches, of prominent African Americans, whose contributions to science, the arts, business, and politics have enriched and enlivened the public good in the United States:...
Handout
Jim Loy

Jim Loy's Mathematics Page: Congruence of Triangles

For Students 9th - 10th Standards
Find explanations of the ways to prove triangles are congruent. There is a link for Congruence Of Triangles, Part II to find the proofs of some ways to prove congruence of triangles from other postulates (i.e. Assume SAS prove ASA).
Whiteboard
ClassFlow

Class Flow: Congruence in Triangles

For Teachers 9th - 10th Standards
[Free Registration/Login Required] This lesson helps teach congrence in triangles. Includes practice with postulates, theorems, and logical reasoning.
Handout
Central Pacific Railroad Photographic History Museum

Cprr Photographic History Museum: The Origin of the Idea for a Pacific Railroad

For Students 9th - 10th
As part of a book about the Central Pacific Railroad written in 1898, this article discusses the origin of the idea to construct a transcontinental railroad.
Primary
University of Missouri

Famous Trials: Salem Witch Trials: Examination of Tituba

For Students 9th - 10th
This is a court transcript of the examination of "Tituba the Indian Woman," on March 1, 1692, suspected of harming her children under the direction of demonic familiars. Transcript is unedited and features 17th century spellings and syntax.
Primary
University of Missouri

Famous Trials: Salem Witch Trials: Examination of Rebecca Nurse

For Students 9th - 10th
This is a transcript of the court examination of Rebecca Nurse, March 24, 1692, with original spellings and syntax.
Primary
University of Missouri

Famous Trials: Salem Witch Trials: Letters of Gov. William Phips

For Students 9th - 10th
This transcript of two letters written by Governor William Phips to the Earl of Nottingham, London, explains the presence of witchcraft in Salem and its environs and the Governor's response to the situation.
Primary
University of Missouri

Famous Trials: Salem Witch Trials: Examination of Sarah Good

For Students 9th - 10th
This court examination of Sarah Good, March 1, 1692, retains the original spellings and syntax. The accused is questioned for contact with the devil and harming children.
Primary
University of Missouri

Famous Trials: Salem Witch Trials: Trial and Execution of Sarah Good

For Students 9th - 10th
This is a selection of records of the trial and execution of Sarah Good that includes the summary of evidence, Sarah Good's confession, indictments against Sarah Good, and sentencing.
Primary
University of Missouri

Famous Trials: Salem Witch Trials: Examination of Mary Easty (Court Transcript)

For Students 9th - 10th
This is the original transcript of the trial examination of Mary Easty, accused witch, April 22, 1692.
Primary
University of Missouri

Famous Trials: Salem Witch Trials: Examination of Bridget Bishop

For Students 9th - 10th
This is a transcript of the court examination of Bridget Bishop, April 19, 1692.
Primary
University of Missouri

Famous Trials: Salem Witch Trials: Trial of Rebecca Nurse

For Students 9th - 10th
This webpage features a transcript of court testimony from the trial of Rebecca Nurse, with evidence for Nurse, evidence against Nurse, petition of Nurse, and juror's statement. Includes historic painting of a scene from the trial.
Lesson Plan
Other

American Statistical Association: Using Dice to Introduce Sampling Distributions

For Teachers 9th - 10th Standards
In this lesson, young scholars use a dice simulation to investigate how random sampling affects the properties of the distribution of a sample proportion, and are introduced to the sampling distribution of the sample proportion.
Lesson Plan
Other

American Statistical Association: Who Sends the Most Text Messages? [Pdf]

For Teachers 9th - 10th
In this detailed lesson looking at text messaging behavior, students investigate the sampling distribution for the sample mean to learn what factors affect its shape. They will also be introduced to the Central Limit Theorem.
Website
Other

Teaching Creativity Skills: Creative Thinking Skills for Life and Education

For Teachers Pre-K - 1st
Presents information about how to use creativity in the classroom. There are also many links to other sites that contain additional resources pertaining to creativity.

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