The first one of these citations is to a very widely cited paper of Cobb, Wood, Yackell,
Nichols, et al, called “Assessment of a problem-centered second-grade mathematics
project,” and it appeared in the same NCTM journal, the Journal for Research in
Mathematics Education 22 (1991), 3—29. I emphasize that this paper is very widely cited.
The first one of these citations is to a very widely cited paper of Cobb, Wood, Yackell,Nichols, et al, called “Assessment of a problem-centered second-grade mathematicsproject,” and it appeared in the same NCTM journal, the Journal for Research inMathematics Education 22 (1991), 3—29. I emphasize that this paper is very widely cited.
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