Talk it Out [Composing Numbers]

Activity Type: Small Group

Problem Solver +/- (Composing Numbers)

Quick Description:

Present addition (and then subtraction) problems under an empty number line (see top “35 + 57” figure below) and have students “talk aloud” to solve the problem, representing their thinking on the empty number line (see bottom“35 + 57” figure).

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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.