University of Texas
Inside Mathematics: Half and Half [Pdf]
This task challenges a student to demonstrate understanding of one-half in a geometric context.
Other
Pbs Mathline: Fractions to Half or Half Not [Pdf]
This tutorial features a hands-on lesson that teaches equivalent fractions for grades 3-4. Students explore fractional parts equivalent to one-half. Lesson plan includes an extensive list of materials, worksheets, extension activities...