Things that come in groups : multiplication and division /

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by Tierney, Cornelia.
[ 01. English Non Fiction ] Authors: Berle-Carman, Mary. | Akers, Joan. | Technical Education Research Centers (U.S.) Series: Investigation in number, data, and space Published by : Dale Seymour Publications, (White Plains, NY :) Physical details: vi, 22, 136 p. : ill. ; 28 cm. Subject(s): Mathematics --Study and teaching (Elementary) Year : 1998 01. English Non Fiction Item type : 01. English Non Fiction
Location Call Number Serial Data Published Status Date Due
Amherst Cove Consolidated School PD 510.71 RUS Available

"Developed at TERC [Technical Education Research Centers], Cambridge, Massachucetts."

"Grade 3, also appropiate for grade 4."