Which of the Following Documents Was Published in 2009 and Suggested

Multiple Choice

Which of the following documents was published in 2009 and suggested that contentareas should be used as tools to promote mathematical thinking?

A) Principles and Standards for School Mathematics.
B) Common Core State Standards for Mathematics.
C) Focus on High School Mathematics: Reasoning and Sense Making.
D) Principles to Actions: Ensuring Mathematical Success for All.
E) Curriculum Focal Points.