As set out by the National Governors Association (NGA) and the Council of Chief State School Officers (CCSSO) in the Common Core State Standards Initiative. For more information, please visit the Geometry domain at the Common Core State Standards website.
September 17, 2013
Geometry and measurement are often difficult topics for young math students. Doug Clements argues that part of this problem stems from classroom materials that are inexact and misleading. "At its fundamental base, mathematics is about precision of reasoning and thinking."
Joanne Mulligan questions the efficacy of new electronic educational devices.
A kindergarten student organizes shape blocks by the various shapes of their faces.
Research out of John Hopkins University and Michigan State University suggests that a strong link exists between young learners' spatial reasoning and computation abilities.
Students distinguish shapes using touch rather than sight.
A child identifies various shapes.
Jennifer McCray, director of the Early Math Collaborative, provides a play-by-play narration as a pre-k teacher leads her students through a tower building exercise with blocks. McCray provides insights into the complexity and impact of…
A child composes a 6-pointed star shape using pattern blocks in multiple ways.
A kindergartner explains how to draw a rectangle. Later he finds a new shape to draw in the classroom.
It is tough learning two new languages at once. In the case of ELLs, the two “languages” are often English and math.