Join the crew of the M.S. Number Line as they explore the mysterious Planet of the Fractions! Through their journey, readers will learn to compare, add, subtract, divide, and multiply fractions. Colorful characters and a graphicnovel format help to hook readers and explain mathematical concepts. Students are invited to test their knowledge with questions throughout the text and can check their answers with the handy key at the back of the book. For more content on mathematics, check out other titles in the Building Blocks of Math series!.