Delta-K,  Full Issue,  Volume 21, Issue 2

Delta-K Volume 21 Issue 2

Journal of the Mathematics Council of the Alberta Teachers’ Association

Volume 21 Issue 2, December 1981

A Joyous Christmas and a Happy New Year to Each of You

George Cathcart

1

Front Matter

2

From the Editor’s Desk

George Cathcart

3 – 6

In this Issue

George Cathcart

7 – 9

Plus + + +

George Cathcart

10 – 11

Teach Nothing About Geometry

Alton T. Olson

12 – 15

Shaping Up Geometry, K-12

Donald R. Kerr Jr.

16 – 18

Thought Levels in Geometry

Alan R . Hoffer

19

How to Draw an Octagonal Figure Quickly

William J. Bruce

20 – 21

Problem Corner

edited by William J. Bruce and Roy Sinclair

22

Geoboard Investigations

George Cathcart

23 – 27

Patterns in the Angles of Regular Polygons

George Cathcart

28

Back Matter

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