How do computers store and send images? Here's an activity that explains one way a computer can compress image information. Pupils decode run-length coding to produce a black and white image. Pairs then work together to code and...

Six witty quotes from Abraham Lincoln make up a activity that challenges scholars to examine the words and state their meaning in one to two sentences.    

Several social activities provide showcase the perspective of many prominent figures in World War I history. Students read an assigned case study about a memorable person and complete several activities to further understand this...

Third graders examine how finding the main ideas and summarizing increases their reading comprehension. They read "The Sea in Danger" while applying the six rules of summarization in a modeled lesson. Next, working in small groups, they...

Ninth graders explain differences between bitmapped images and vector images. They calculate pixels and transpose the raw file size to bits, bytes, and kilobytes. They compare formats for displaying images on a Web page.