Are oranges highest in vitamin C when they are fresh from the tree (or, in a pinch, the grocery shelf)? In this project you'll learn how to measure the amount of vitamin C in a solution using an iodine titration method.

A Hawaiian kapa artist explains how she uses area and measurements as part of her art-making process in this video from the Center for Asian American Media. In the accompanying classroom activity, students watch the video and learn how...

Just how tall is that object? In this lesson, young scholars will participate in an outdoor group activity using shadows to extend their knowledge of proportions to solve problems dealing with similarity. The cooperative learning groups...

Over 100 handouts with answer sheets you can print and use to help build English vocabulary. Numerous topics and themes are covered: everyday words, math terms, seasonal and holiday words, geographical terms, animals, opposites, parts of...