Postscript items are designed as rich grab-and-go resources that any teacher can quickly incorporate into his or her classroom repertoire with little effort and maximum impact. Quick images are a fun, engaging way for students to compose and decompose visual numbers. Students apply their understanding of subitizing–the ability to recognize a number of items without counting–as they determine the quantity of the group

Contributor Notes

Molly Rawding,, is a mathematics specialist and coach at Fiske Elementary School in Lexington, Massachusetts. She is interested in how teachers and students think about and do math in creative, flexible, fun ways.

Edited by Theodore (Teddy) Chao,, an assistant professor of mathematics education at The Ohio State University in Columbus; and Imani Goffney,, an assistant professor at the University of Houston. Submit your quick game, puzzle, activity, or instructional strategy along with suggestions for how teachers of different grade bands (K–1, 2–3, 4–6) can use this idea. Send submissions of no more than 250 words to this department by accessing Got to to see detailed submission guidelines for all departments.

(Corresponding author is Rawding
(Corresponding author is Chao
Teaching Children Mathematics
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