This activity has been revised and was originally created by Mary Jane Clark and published in the Perkins Activity and Resource Guide (1st edition, 1992). The second edition is available for purchase.
Often students are able to count all the items in a given set but have a harder time forming a smaller set from the larger one. This activity works on those number concepts as well as one-to-one correspondence. Lessons include Concept Development, Math and Independent Living Skills.