Jill Perry, Sandra Atkins
A description of multiple forms of representations that children use when engaging in mathematical activities.
Jennifer Sisul
Experiences involving a hundred pocket chart in a first and second grade classroom that are designed to increase flexibility with number and encourage explanation of thinking.
Phyllis Whitin, David Whitin
The importance of children representing their mathematical understanding in many different ways. These modes of communication include building, writing, drawing, and talking.
Paola Sztajn
Two activities used with kindergartners during the one hundredth day of school to enhance their number sense.
David Reid
Examples of several ways of reasoning mathematically used by grade two students while playing games and discussing stories.