Adding/Subtracting Problem Types

Activity Type: Teacher Resources

Problem Solver +/- (Adding/Subtracting)
Deriver +/- (Composing Numbers)
Numbers-in-Numbers +/-
Part-Whole +/-
Counting Strategies +/-
Find Change +/-
Make It N
Find Result +/-
Small Number +/-
Multidigit +/- (Adding/Subtracting)
Problem Solver +/- (Composing Numbers)
Deriver +/- (Adding/Subtracting)
Multidigit +/- (Composing Numbers)

Quick Description:

Problem types range in difficulty and unknown throughout the adding/subtracting LT. 

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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.