North and South Korea: two regions divided. The story of the Korean War describes the events that occurred when these two regions' ideologies clashed. The resource uses various images and descriptions of artifacts, in addition to...

Despite its speed and convenience, an e-mail may not always be the best form of communication. As part of a series on specific writing assignments, a handout shares information on effective e-mail communication. In addition to outlining...

Courtrooms are complicated. In addition to the many rules, there are a number of people whose jobs are not very clear to the casual courtroom observer. With the resource, individuals identify some of these roles and review more...

The Supreme Court gets all the glory, but very few federal cases make it to the highest court. An interesting lesson explores the structure of the lower levels of the federal court system. In addition to outlining the organization of...

An interactive website traces the history of Juneteenth celebrations from their origin in Galveston, Texas, on June 19th to the present day.  Using interactive maps, learners can find information about the African-American...

Taking a guided tour through the White House would require extensive travel costs and an armed security escort—but a virtual tour only requires an Internet connection! A few clicks bring users through the historical corridors and rooms...

A handout on speeches, part of a series on specific writing assignments, helps individuals develop their speech-writing skills. The resource starts with a discussion on audience and purpose and ends with tips to engage the audience.

Luckily for those who aren't history buffs, anyone can guess that the War of 1812 happened in ... 1812. But how to cover the rest of the story? The resource does just that with effective direct instruction that includes statistics,...

Should adults be allowed to carry concealed handguns? Pupils use the website to research the topic thoroughly and weigh the pros and cons. They read background information on gun control and learn about the main arguments surrounding the...

Marbury v. Madison is arguably the most important landmark case in the history of the Supreme Court. A fact-filled lesson provides background information about the case and two others related to the concept of judicial review. Scholars...

Set the stage for a study of The Diary of a Young Girl with a resource that includes background information about Anne Frank's early years, the Nazi invasion of the Netherlands, her Secret Annex hiding place, and her capture and...

Imagine these flavors: chocolate, candy, menthol. What age group do you imagine is the target audience of an advertising campaign that features a product with these flavors? Find out the facts about vaping with a resource that provides...

Describe where you are—and find out where you are going—with a beginning Spanish resource on directions and maps. Spanish learners repeat and practice direction words such as norte, este, and oeste, as well as measurement terms such as...

An extensive collection of teacher resources to help in teaching and reviewing the concepts of basic addition and subtraction. There are many worksheets, activities, PowerPoint presentations, smartboard activities, Word, Excel, and pdf...

A set of seven short tutorials on addition. Begins with a basic introduction to how addition works, and covers topics such as using a number line, place value, and regrouping.

Here's an extensive selection of teacher resources to aide in teaching and reviewing addition and subtraction. You will find resources on the vocabulary used in word problems, column addition, checking addition and subtraction, games,...

Practice Math Questions: Single Digit Addition Questions

Kids learn about Solving Algebra Equations with Addition and Subtraction. Add and subtract from both sides. Example math problems are shown on page.

A large collection of tutorials covering concepts in addition, subtraction, multiplication, division, and fractions.

In this video segment from Cyberchase, through addition and regrouping in base sixty, Matt helps Digit figure out what time his CyberSouffle will be done.

An extensive collection of premade cards for "loop" games in math. These "I have, Who has?" cards are available for counting on and back, capacity, place value, addition, subtraction, multiplication, division, fractions, decimals, money...

Includes all different types of synthesis, including FM, additive, AM, subtractive, granular, RM, and wavetable.

This helpful tutorial on color perception is divided into sections including our eyes and vision, additive and subtractive color mixing, hue and saturation, and color properties.

This resource offers short animated videos, interactive activities, and a collection of articles and links about the major issues surrounding sustainable agriculture and factory farming. Such topics discussed are pollution, animal...