This document consists of nine issues of the National LOGO Exchange Newsletter (NLX). Each issue contains several articles as well as regular features and departments. The lead articles in this volume are entitled: (1) "Twenty Powerful Ideas" (Molly Watt); (2) "Multiple Turtles without Sprites" (James Hurley); (3)…

This document consists of 27 issues of the National LOGO Exchange Newsletter (NLX) together with cumulative indexes which provide five access points to information in the newsletters: (1) an author index; (2) a book review index; (3) a product and information index; (4) a column index; and (5) a subject index. The alphabetical author index lists…

Explains philosophy of the Higher Order Thinking Skills Project, which utilizes microcomputers in a learning laboratory to develop in upper elementary school students the thinking ability needed to construct sophisticated associations between ideas; describes curriculum used to teach these skills; and reviews software and hardware utilized and…