Other
Math Learning Center: Virtual Geoboard
A geoboard that can be adapted for different grade levels. Choose from three types of geoboard and eight different elastic colors. Shapes can be duplicated, rotated, flipped, and filled in. There are also drawing tools as well as a...
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Equal Parts on the Geoboard [Pdf]
An activity for a geoboard. You will need the following materials: geoboards, rubberbands, geoboard paper and rulers.
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...
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Congruent Eighths [Pdf]
This activity could be used to introduce the concept of congruence. You will need the following materials: geoboards, rubber bands, and geoboard recording paper.