Scott Foresman® Leveled Readers for Grade 4 Reading Street Leveled Readers are integral to providing differentiated instruction support. Reading Street Leveled Readers are available in print and online in the Scott Foresman Leveled Reader Database. Leveled Readers develop and deepen the understanding of the Unit Concept and Big Question. They allow for customization of vocabulary, and comprehension strategy and skill instruction to match student's instructional and, or independent reading level. Concept Literacy Readers These readers support and extend the unit concept. They are available each week to reinforce and build background for the weekly and unit concepts. They are leveled 2 years below grade level. The text is repetitive; and there is a strong text to picture match.   Below-Level Readers These readers support and extend the unit and weekly concept. They contain the same weekly tested vocabulary; and teachers can use this text to teach the same comprehension skill and strategy as the weekly selection in Reading Street. These readers range from1 to 1½ levels below grade level.   On-Level Readers These readers support and extend the unit and weekly concept. They contain the same weekly tested vocabulary; and teachers can use this text to teach the same comprehension skill and strategy as the weekly selection in Reading Street. These readers are ½ level below grade level.   Advanced Level Readers These readers develop and extend the unit and weekly concept. Teachers can use this text to extend the weekly vocabulary and comprehension skills and strategies. These readers are 1 to 2 levels above grade level.