Wolfram Research
Wolfram Math World: Euclid's Theorems
This site from MathWorld.com provides a description of the theorems of Euclid and his theories of prime and composite numbers.
Wikimedia
Wikipedia: International Date Line
Wikipedia offers information on the International Date Line, an imaginery line that offsets the hours added as one travels east through time zones.
Ibis Communications
Eye Witness to History: Britain Declares War
A short description of the events that led Britain to declare war on Germany. An audio of Prime Minister Chamberlain's address on the war declaration is provided.
Other
Chamberlain and Britain Prepare for War
Article describing the failure of Neville Chamberlain's appeasement policy. Includes links to Realtime Audio copies of two of Chamberlain's speeches.
Calculator Soup
Calculator Soup: Greatest Common Factor Gcf Calculator
Calculate GCF, GCD, and HCF of a set of two or more numbers and see the work using factorization. An interactive calculator, explanations, and examples are included.
PBS
Pbs Nova Online: Lost at Sea the Search for Longitude
"The quest for a reliable method to find your way at sea was one of the thorniest problems of the 1700s." Find out about the search for longitude at this NOVA site. Includes interactive Shockwave game, learning activities and more.
University of Pennsylvania
Penn Library: Books of Hours
This website contains information about the Book of Hours: a private prayer book, liturgies or calendar. "In Books of Hours are preserved some of the finest works of medieval art." Seven Book of Hours with descriptions are shown. Though...
Cuemath
Cuemath: Least Common Multiple
Learn about the properties of Least Common Multiples (LCM) and the three methods to find the LCM. Included are solved examples and interactive problems for review.
Wolfram Research
Wolfram Math World: Fermat's Theorem
This site summarizes Fermot's Theorem, there are links to related topics on the page, some prior understanding of modulus is suggested.
Discovery Education
Discovery Education: Web Math: Factor an Integer
WebMath gives a calculator to give all the factors of a number. Drop down menu can select just prime factors of number entered. Also discusses the definition of a factor.
Wolfram Research
Wolfram Math World: Pascal's Triangle
This site from MathWorld provides great information on Pascal's Triangle. Links are provided throughout for additional information, along with several helpful charts and formulas. This is a good site to check out on the subject.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Multi Digit Multiplication and Division
A guide to support parents as they work with their students in multi-digit multiplication and division.
National Council of Teachers of Mathematics
The Math Forum: Famous Problems in the History of Mathematics
On this site, there are several math problems to explore and solve. Look through some solutions by famous mathematicians and expand your thinking about some interesting math concepts. Teachers of elementary grades may want to use this...
Toronto Star Newspapers
Toronto Star: Portraits of the G20 Leaders: David Cameron, United Kingdom
A brief profile of British Prime Minister, David Cameron, one of the G20 leaders at the 2010 Toronto Summit.
Toronto Star Newspapers
Toronto Star: Portraits of the G20 Leaders: Manmohan Singh
A brief profile of Indian Prime Minister, Manmohan Singh, one of the G20 leaders at the 2010 Toronto Summit.
Toronto Star Newspapers
Toronto Star: Portraits of the G20 Leaders: Kevin Rudd
A brief profile of Australian Prime Minister, Kevin Rudd, one of the G20 leaders at the 2010 Summit in Toronto.
Toronto Star Newspapers
Toronto Star: Portraits of the G20 Leaders: Silvio Berlusconi
A profile of Italian Prime Minister, Silvio Berlusconi, one of the G20 leaders at the 2010 Toronto Summit.
Toronto Star Newspapers
Toronto Star: Portraits of the G20 Leaders: Recep Tayyip Erdogan
A brief profile of the Prime Minister of Turkey, Recep Tayyip Erdogan, one of the G20 leaders at the 2010 Summit in Toronto.
Toronto Star Newspapers
Toronto Star: Portraits of the G20 Leaders: Naoto Kan, Japan
A brief profile of Japanese Prime Minister, Naoto Kan, one of the G20 leaders at the 2010 Toronto Summit.
New Advent
Catholic Encyclopedia: Whether God Exists?
Excerpt of famous passage in Aquinas's "Summa Theologica" in which he presents his five proofs for God's existence. This influential primary text should be of historical interest to anyone studying philosophy of religion. Please note...
Digital History
Digital History: Foreign Policy Triumphs
The Camp David Accords and the Panama Canal Treaty are two of Jimmy Carter's foreign policy achievements are discussed in this web-article.
Other
Univ. Of Texas: Plato, Aristotle, Al Farabi
Explains the cosmological arguments (and corresponding concepts of "unmoved mover") of three influential western thinkers. Describes in detail the line of argument each pursues, and indicates the particular theory of causation implied by...
ClassFlow
Class Flow: Greatest Common Factor
[Free Registration/Login Required] This flipchart assists in the instruction of finding the Greatest Common Factor. Two methods for identifying GCF are used.
Calculator Soup
Calculator Soup: Lcm Calculator Least Common Multiple
The Least Common Multiple (LCM) is also referred to as the Lowest Common Multiple (LCM) and Least Common Divisor (LCD). For two integers a and b, denoted LCM(a,b), the LCM is the smallest positive integer that is evenly divisible by both...
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