Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Shape Sorter

For Students 2nd - 8th Standards
Students learn how to categorize plane figure polygons using Venn Diagrams with this computer based tool.
Unit Plan
University of Oxford (UK)

Oxford University of Modern History: Animals

For Students 3rd - 5th
Plants, animals, fungi, and other creatures can be sorted into different kingoms or groups. Have a go identifying how organisms are grouped in Kingdom ID or Animal ID, or have a bit of fun recognising shapes in Shadow ID. Click on the...