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Behr, Merlyn J.
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Assessing fifth grade children's rational number knowledge in a non-verbal application context: the darts game
Wachsmuth, Ipke
;
Bright, George W.
;
Behr, Merlyn J.
;
Post, Thomas R.
In: Recherches en didactique des mathématiques, Vol. 7 Issue 3, page 51-74
Estimation and children's concept of rational number size
Behr, Merlyn J.
;
Post, Thomas R.
;
Wachsmuth, Ipke
;
Schoen, Harold L. (Ed.)
In: Estimation and mental computation, Vol. 1986, page 103-111