Mathematics Teacher (1968) Vol. 61, No. 2
NATIONAL COUNCIL OF TEACHERS OF MATHEMATICS FEBRUARY 1968 VOLU:\IE LXI, ~U:\1138R2 A Tiny Treasury of Tessellations Ernest R. Ranucci Dressing Up Mathematics J ean J . Pedersen Rotations, Angles, and Trigonometry Robert Troyer Assessing the Progress of Education in Mathematics ./ack C. JI erwin and JI mtin ./. Higgins
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