Your students will be " flipping" over fractions with this versatile write-on/wipe-off book. Students can use the 18 different fraction number lines featured in this book to solve a wide variety of fraction, decimal, and percentage problems. Durable spiral-bound book is 4" x 12" and includes lines featuring thirds, quarters, fifths, eighths, tenths, twelfths, sixteenths, percents, as well as blank lines (single and dual). 20 pages.