The National Council of Teachers of English provides 24 resources for teachers of mathematics including professional books, lesson plans, and more.
ReadWriteThink provides a series of lessons on supporting students' ability to determine the meaning of words within the context of reading.
This video from GVSU is additional resource that provides students with concrete strategies for reading a textbook.
In this article, the authors use a conversational tone to guide the reader through several reading protocols to better understand reading mathematical text.
This handout from From Macalester College details ways that students can read the various text features in math textbooks.
Annenberg Learner offers free online courses the explore Reading and Writing in the Disciplines. Each section, such as Reading in Mathematics, provides depth and background for teachers that can be applied to mathematics instruction.
The New York Times Learning Network provides daily graphs, maps, and charts inviting students to read, interpret, and discuss them.
This article explores think-alouds, which have been described as "eavesdropping on someone's thinking." With this strategy, teachers verbalize aloud while reading a selection orally. Their verbalizations include describing things they're doing as they read to monitor their comprehension. The purpose of the think-aloud strategy is to model for students how skilled readers construct meaning from a text.
This site includes resources designed to encourage sense-making over answer-getting and provides examples of multiple representations.
The Adolescent Literacy organization has curated resources for math educators. In the search box, type Math and click on Apply.