Oh no! The blue-and-red striped sock can't find its mate. It's not in the dirty laundry, or in the washing machine, or even in the clean clothes basket. But maybe with a little help from Pup the mystery can be solved. Matching helps children recognize attributes that are the same, note those that are different, and provides an introduction to pattern recognition.Used with permission from Stuart J. Murphy.
MathStart 1: A Pair of Socks (Matching)