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. 

Fourth graders explore the concept of echolocation during a unit on whales. They listen to the book and watch the Reading Rainbow video for "Humphrey: The Wayward Whale," explore various websites, and conduct experiments to demonstrate...

Students examine microscopic life by conducting a scientific investigation. In this cell analysis lesson, students define the prokaryotic and eukaryotic cells and discuss their word origins. Students view each type of cell on slides...

Students examine the origin of the people that settled in the United States.  In this United States History lesson, students work in small groups to complete several activities that explore early settlement, such as a worksheet, a...

Learn how to determine the meaning of grade-level academic English words derived from Latin, Greek, or other linguistic roots and affixes.

Determine the meaning of grade-level academic English words derived from Latin, Greek, or other linguistic roots and affixes.

Determine the meaning of grade-level academic English words derived from Latin, Greek, or other linguistic roots and affixes.

During this mini-unit, students will learn common Greek and Latin roots. Several supplementary resources are provided for students' study beyond the lessons.

Part 2 of a series of interactive exercises concerning word roots and vocabulary skills. Site initially explains vocabulary and word roots, then allows students to complete interactive exercises.