Packed with visual aids and multiple learning opportunities, an engaging exercise challenges individuals as they explore the role of producers, consumers, and decomposers. After discussing differences between food chains, food...

Four is the perfect number—if you're talking about parallelograms. Scholars determine a possible fourth vertex of a parallelogram in the coordinate plane given the coordinates of three vertices. They read a conversation...

Build your knowledge of what it means to be human by answering questions to help you prepare to read "Maslow's Hierarchy of Needs."

Gather and organize evidence to prepare for a discussion about the similarities between Grant and Jefferson and their placement on Maslow's hierarchy. This will help us understand how Gaines is using characters to develop a theme.

Students construct cyclic quadrilaterals and investigate their properties. They determine which quadrilaterals from the quadrilateral hierarchy are cyclic.

In this activity, students will explore the properties of the diagonals of various quadrilaterals. They will use a quadrilateral hierarchy chart to examine the relationship between the quadrilaterals.

In this activity, students will construct different types of quadrilaterals from the quadrilateral hierarchy. This activity asks for constructions based on a minimal definition of the quadrilateral. The activity will reinforce the...

This PBS People and Discoveries site offers a great introduction to the work of Maslow. Includes a brief bio of Maslow and his ideas.

This concise worksheet site will enable students to learn how to create a classification system and to understand the reasons for classification in science. Requires Adobe Reader.

BBC Wildlife profiles the largest penguin species, the Emperor penguin of Antarctica, with facts and photographs.

Did you know that two-dimensional shapes are also called polygons? This lesson describes the various 2-D shapes and includes two interactive games to reinforce skills.

Describes, with illustrations, the basic two-dimensional shapes students will encounter in elementary Math.