F.U.N. Empty Number Line can be a great tool for students to follow along with the teacher using the full size model. They can also be used individually or in centers. The student-sized number lines also doubles as a great visual aid to demonstrate equivalencies using the whole, halves, fourths, sixths, eighths and twelfths Fraction Strips. Now you can get the powerful F.U.N. Empty Number Lines into the hands of every student, so they can truly internalize number sense. It has a double-sided, write-on/wipe-off surface so students can follow along with the teacher or use them individually or in centers. The student-sized version measures 1-3/4" x 17-1/2". Set of 10.