Calculator Soup
Calculator Soup: Factoring Calculator
The factoring calculator finds the factors and factor pairs of a positive or negative number. Enter an integer number to find its factors.
Cool Math
Coolmath: Pre Algebra Divisibility Tests
Known as Guzzinta Tests, here are some quick tricks you can learn to see if a number is divisible, can be divided by, another number.
Other
Psychology Today: Parenting: Decision Making
Decision making is one of the most important skills your children need to develop to become healthy and mature adults. This article gives tips on raising good decision-makers and reviews the process of decision-making.
University of Cambridge
University of Cambridge: Nrich: Dominoes
A set of online dominoes shows you how to work out multiplication problems.
Other
Fascinating Triangular Numbers
Patterns of numbers don't come along every day, and so when they do, they need to be bragged about! The basic definition of triangular numbers begins this site which also lists many of the properties of these numbers, highlights the...
Interactive Mathematics
Interactive Mathematics: Integers: Negative Numbers
Explore the world of negative numbers as you look at their relationship to positive numbers, integers, absolute value and more. Test your knowledge using he exercises and games provided.
ibiblio
Ibiblio: Hyper War: Britain's Response to Germany's Invasion of Poland
Ibiblio.org offers a text versions of three speeches given by Neville Chamberlain, prime minister of Britain, responding to Germany's invasion of Poland. Audio can be downloaded.
PBS
Pbs Learning Media: Principal Empowerment
Schools will improve when principals are given the autonomy to make decisions that best solve their school-based problems. Coupled with this autonomy is the accountability to produce significant improvement. The upper level bureaucracy...
New York Times
New York Times: Nuri Kamal Al Maliki
[Free Registration/Login Required] Along with providing a quick overview of his role in Iraqi politics, the New York Times provides readers with a number of articles concerning the life and influence of Iraq's Prime Minister Nouri Maliki.
American Academy of Achievement
Academy of Achievement: Shimon Peres
A biography of Shimon Peres, the ninth President of Israel. He served a total of forty-eight years in Israel's Parliament and held many different posts, including twice as Prime Minister. He also won the Nobel Prize for Peace in 1994...
American Academy of Achievement
Academy of Achievement: Benazir Bhutto
At age 35, Benazir Bhutto was one of the youngest chiefs of state in the world. More than that, she was the first woman ever to serve as prime minister of an Islamic country, but the road that brought her to power had already led through...
Cool Math
Coolmath: Pre Algebra Factorizations
Learn about "factorization" from Cool Math. Several examples and practice problems are provided.
Curated OER
Stephen Joseph Harper
The life and career of Stephen Harper, one of Canada's youngest prime ministers, is outlined in this informative but concise site.
Curated OER
John Napier Turner
A brief but informative report on the life of John Turner who was one of Canada's shortest serving Prime Ministers.
PBS
Pbs: Greatest Common Factor
In this video, learn how to find the greatest common factor of two numbers. Then, see how this can be used to solve problems with large numbers. In the accompanying classroom activity, students learn to find prime factors using factor...
Steven Kreis, PhD
The History Guide: Chamberlain Responds With Appeasement
Excerpts from two speeches made by Prime Minister Neville Chamberlain to the British people are provided.
TED Talks
Ted: Ted Ed: What Is a Vector?
Physicists, air traffic controllers, and video game creators all have at least one thing in common: vectors. But what exactly are they, and why do they matter? David Huynh explains how vectors are a prime example of the elegance, beauty,...
TeachEngineering
Teach Engineering: Red Rover Robotics
This lesson will start with a brief history of robotics and explain how robots are beneficial to science and society. The lesson then will explore how robots have been used in recent space exploration efforts. The engineering design of...
TED Talks
Ted: Ted Ed: What Really Happened to the Library of Alexandria?
In its prime, the Library of Alexandria housed an unprecedented number of scrolls and attracted some of the Greek world's greatest minds. But by the end of the 5th century CE, it had vanished. Elizabeth Cox details the rise and fall of...
US Department of State
Milestones: 1937 1945: Wartime Conferences, 1941 1945
A brief description of each major conference held by members of the Allies in World War II discussing how the course of the war would be fought and ideas of what would happen when the war ended.
Mathigon
Mathigon: Mathematical Treasure Hunt
The mathematical treasure hunt allows young scholars to follow a trail of clues and mathematical problems around the school site; each clue contains a hint to where the next clue is hidden.
Mathigon
Mathigon: Mathematical Treasure Hunt
The mathematical treasure hunt allows learners to follow a trail of clues and mathematical problems around the school site; each clue contains a hint to where the next clue is hidden.
Encyclopedia Britannica
Encyclopedia Britannica: Barney Ewell
This entry features Barney Ewell, an American athlete, one of the world's leading sprinters of the 1940s. Although he was believed to be past his prime when the Olympic Games were resumed after World War II, he won three medals at the...
Curated OER
Etc: Maps Etc: Physical and Political Map of Africa, 1879
Map of pre-colonial Africa, showing the predominately native countries and territories of the African continent in 1879. The counties include the Barbary States of Morocco, Algeria, Tunis, Tripoli and Fezzan, the Egyptian territories of...
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