Scholastic
Scholastic: Max's Math Adventures: A Tale About Zeke and Zack
At this site from Scholastic you can read this tale about Zeke and Zack to learn more about splitting things in half. The activity sheet, extra challenges, and teacher's guide will help teachers make a fun and engaging lesson.
Texas Instruments
Texas Instruments: Graphs and Fractions
Have students draw squares on graph paper and half some of the squares on the outside. Number all the squares and continue numbering with the halfs. Students are then instructed to create their own ratios such as: 4 halves to eight...