The use of computer-produced materials remote from the terminal can revitalize teaching devices and techniques such as graded exercises, precision teaching, and even conventional text. Teachers need to be aware of inconsistencies in the quality of computer software and of logistical factors involved in the adoption of computer assisted instruction…

This article discusses how children learn to understand the decimal system in very concrete ways, while having fun using beads. When counting the beads, the children learn 5,491 is not simply "five thousand four hundred and ninety-one" but actually 5 thousands, 4 hundreds, 9 tens, and 1 unit. They begin to understand that as they get 10 units,…