Many elementary and junior high school students do not become proficient with common and decimal fractions because they have established few connections between the form they learn in the classroom and understandings they already have. (Author/GC)

A unit on the division of decimals by decimals that used electronic calculators as a teaching aid is described. The learning package created, the operation of the project, and several outcomes are presented. The results strongly indicated that mathematics can be taught using a calculator. (MP)