Desk Reference classroom set of 24 individual strips. Strips are 3.5” x 21” and contain actual color photographs to use as a visual teaching tool. Each strip provides a good letter model for beginning writers as well as a visual model for student name, numbers 0-20, and left and right hand positions. Desk Reference can also be used as a number line for addition and subtraction as well as a measuring device for 0-20 inches. Use of the desk reference in a classroom setting has been shown to help cement letter identification, key words and sounds and develops phonetic awareness for emergent readers.