Mathematics Teacher (1975) Vol. 68, No. 8
DECEMBER 1975 VOLUME 68, NUMBER 8 THE NATIONAL COUNCIL OF TEACHERS OF MATHEMATICS Do Similar Flguree Alw•J8 H•ve the ......... ...., Paul G. Kumpel, Jr. Checkerburd M•them•ttce Richard Billstein The ChrlltiMI Preaent Principle James F. Wirth The Aclv•nced PI~~Ce~Mnt Progrem In M ......... ttce-Upchate 1175 Chancey 0 .
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