This set contains all six books covering the five NCTM Mathematics strands. Each book provides the know-how to use leveled texts to differentiate instruction in mathematics. 15 different topics are featured in each book. The high-interest passages are written at four different reading levels with matching visuals. Practice problems are provided to reinforce what is taught in the text. Teacher Resource CD is whiteboard-compatible, and features a modifiable version of each passage in text format, and full-color versions of the texts and image files.