Concentrate: Match Sums

Activity Type: Computer Activity

Conceptual Subitizer to 20
Counter and Producer (10+)

Quick Description:

Students match cards with separate five frames (determining the sum) to cards with the same number in a ten frames within the framework of a “Concentration” card game.

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Special Thanks To

Institute of Education Sciences
The research reported here was supported by the Institute of Education Sciences, U.S. Department of Education, through grant numbers R305K050157, R305A120813, R305A110188, and R305A150243. to the University of Denver. The opinions expressed are those of the authors and do not represent views of the Institute or the U.S. Department of Education.