Scholastic
Scholastic: Max's Math Adventures: Max's Measuring Mania
Read about how Max and Ruthie measured some fun objects in their gym. Use this method to measure things in your classroom. A helpful teacher's guide and extra challenges will make this a fun lesson on measuring with nonstandard units.
University of South Florida
Fcat: Bubbles: Teacher Notes
Young scholars collect data to determine what happens to the sizes of bubbles when glycerin is added to dish detergent. They will practice their measuring skills and have fun at the same time.
National Council of Teachers of Mathematics
The Math Forum: A Tour of Measurement
Peruse a collection of lesson plans, resources and FAQ's about measurement at every grade level.