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Lexile Text Measures


Overview and Introduction

The Lexile Framework for Reading, developed by MetaMetrics, Inc., is a scientific, proven approach to reading and text measurement. Recognized as the most accurate way to match readers with text, there are currently Lexile measures for more than 100,000 books, 80 million articles, and 60,000 Web sites. More than 20 million students received a Lexile measure during the 2005-2006 school year. The Lexile measure provides educators with a powerful tool to forecast expected comprehension rates and match readers with text.

What is the Lexile Framework for Reading?

The Lexile Framework for Reading consists of two main components: a Lexile measure and the Lexile scale. A Lexile measure is the numeric representation of a reader's ability or a text's difficulty, both followed by an "L" (for Lexile). The Lexile scale is a developmental scale for reading that ranges from below 0L for emerging readers and beginning texts to above 1700L for advanced readers and texts. Values at or below 0L are reported as Beginning Reader (BR).

A Lexile text measure is obtained through analyzing the text difficulty of a piece of text. The Lexile Analyzer, a software program specially designed to evaluate the reading demand of text, analyzes the text's semantic and syntactic characteristics and assigns it a Lexile measure. A multi-step process is required to prepare the text before it is submitted to the Lexile Analyzer for a measure.

Extensive information about the development of the Lexile Framework for Reading can be found in the Researchers section of the Lexile website. In particular, a white paper entitled The Lexile Framework as an Approach for Reading Measurement and Success provides detailed descriptions of each component of the Lexile Framework for Reading.


Lexile Scores for CPM Textbooks

  Course Title: ISBN-13: Copyright
(Year):
Lexile
Score:
Core Connections series (6th-Algebra 2)
Core Connections, Course 1 9781603280778 ©2013 980
Core Connections, Course 2 9781603280846 ©2013 920
Core Connections, Course 3 9781603280914 ©2013 910
Core Connections Algebra 9781603281010 ©2013 930
Core Connections Algebra 2 9781603281157 ©2013 980
Making Connections 1 and 2
Making Connections:
Foundations for Algebra, Course 1
9781603280358 ©2010 920
Making Connections:
Foundations for Algebra, Course 1, Vol. 1
9781603280334 ©2010 910
Making Connections:
Foundations for Algebra, Course 1, Vol. 2
9781603280341 ©2010 930
Making Connections:
Foundations for Algebra, Course 2
9781603280402 ©2010 910
Making Connections:
Foundations for Algebra, Course 2, Vol. 1
9781603280389 ©2010 910
Making Connections:
Foundations for Algebra, Course 2, Vol. 2
9781603280396 ©2010 910
First edition Connections courses
Algebra Connections 9781931287470 ©2006 900
Algebra Connections, Vol. 1 9781931287456 ©2006 890
Algebra Connections, Vol. 2 9781931287463 ©2006 920
Geometry Connections 9781931287609 ©2007 940
Geometry Connections, Vol. 1 9781931287586 ©2007 940
Geometry Connections, Vol. 2 9781931287593 ©2007 950
Algebra 2 Connections 9781931287982 ©2009 1010
Algebra 2 Connections, Vol. 1 9781931287968 ©2009 990
Algebra 2 Connections, Vol. 2 9781931287975 ©2009 1030
Pre-Calculus with Trigonometry, Vol. 1 9781603280044 ©2009 990
Pre-Calculus with Trigonometry, Vol. 2 9781603280051 ©2009 1040


Typical Reader and Text Measures by Grade


  Grade: Reader Measures
(Interquartile Range, Mid-Year) :
Text Measures
(from the Lexile© Map) :
1 Up to 300L 200L to 400L
2 140L to 500L 300L to 500L
3 330L to 700L 500L to 700L
4 445L to 810L 650L to 850L
5 565L to 910L 750L to 950L
6 665L to 1000L 850L to 1050L
7 735L to 1065L 950L to 1075L
8 805L to 1100L 1000L to 1100L
9 855L to 1165L 1050L to 1150L
10 905L to 1195L 1100L to 1200L
11 and 12 940L to 1210L 1100L to 1300L

Notice there is considerable overlap between the grades. This is typical of student reading levels and materials published for each grade.