Using Calculators: What Are the Best Published Materials? (Grades 2-9). Information Bulletin No. 12.

This Information Bulletin reviews nine books or kits providing useful activities for using calculators in grades 2-9, plus several articles providing constructive suggestions. The materials were selected on the basis of five criteria: ease of integration within the present curriculum, power to sustain interest, degree of attention to essential skills, coherence and organization, and potential to increase the amount and level of mathematics learning. (MNS)