This lesson plan explores how Chuck Close uses photography and a mathematical grid to create his large portraits. Hands-on activities encourage students to create using the grid, during which they will learn about variation, repetition,...

Gorillas, groceries, pirate treasure, and aardvark homes: these are just a few of the things children will search for and find in this week's Afterschool Adventure, Lost and Found. Children will use position words like above, below, and...

In Looking for the Top Quark, each player receives six quarks that they hide on a grid. The players use coordinates to find their opponent's hidden quarks. The first player to find all six of their opponent's quarks wins!

Drawings and discussion of several methods to estimate the area of an irregular shape, like the state of Texas.

Students read and evaluate descriptions of how people live "off the grid" using solar power and come to understand better the degree to which that lifestyle is or is not truly independent of technological, economic and cultural...

Getting and keeping a job often requires special education or training. While an employer may provide or pay for some additional education or training, workers often have to obtain it on their own. In this instructional activity,...

Instructions on a simple way to get started drawing in 3-D by drawing objects using an isometric grid.

In this lesson plan, 3rd through 5th grade students create word searches on grid paper using their spelling words; then they pass their word search to a classmate to solve it.