A Counting Model for Simple Addition

Educational Studies in Mathematics 1970 / 02 Vol. 2; Iss. 4

A Counting Model for Simple Addition

Max Jerman
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Volume:
2
Language:
english
Journal:
Educational Studies in Mathematics
DOI:
10.2307/3482094
Date:
February, 1970
File:
PDF, 797 KB
english, 1970
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