A lengthy narrative about Pythagoras and his students precedes an activity in which your young mathematicians practice using the Pythagorean theorem to solve three problems about flight and distance. Answers are provided. 

Introduce the concepts and skills needed to find perimeter. The slide show includes the definition of perimeter, five examples, and a link to an interactive web page.

Students assess informal methods to solve real-world problems that utilize simple equations that involve one variable. They incorporate concrete objects to assist them in the solving of a variety of equations. The students are actively...