Delta-K,  Problem Solving,  Volume 26, Issue 1

A Problem Solving Geometry Lesson Using Groups of Four

Journal of the Mathematics Council of the Alberta Teachers’ Association

Volume 26 Issue 1, October 1986

50 – 52

A Problem Solving Geometry Lesson Using Groups of Four

Oscar Schaaf

In the September 1981 issue of Learning, Marilyn Burns describes a classroom management scheme that encourages students to learn by working cooperatively and independently.