Learning that size and orientation don't affect the classification of shapes is a big step for young mathematicians. Support children with developing this key understanding by looking at the array of shapes included in this resource. For...

Here's a great dichotomous key for beginners. Use gremlin-like creatures to learn how to use more taxonomic keys.

Students use a 10 step dichotomous key to identify three mythical animals of their choice. The pictures of the animals and the key are both provided.