National Council of Teachers of Mathematics (NCTM).2009. “Focus in High School Mathematics: Reasoning and Sense Making.” Executive Summary. Reston, VA: NCTM.
National Council of Teachers of Mathematics (NCTM).2009. “Focus in High School Mathematics: Reasoning and Sense Making.” Executive Summary. Reston, VA: NCTM.)| false
Wheatley, Grayson, and
AnneReynolds. 2010. Coming to Know Number: A Mathematics Activity Resource for Elementary School Teachers. 2nd ed.Bethany Beach, FL: Mathematics Learning.
Wheatley, Grayson, and
AnneReynolds. 2010. Coming to Know Number: A Mathematics Activity Resource for Elementary School Teachers. 2nd ed.Bethany Beach, FL: Mathematics Learning.)| false