Explores ways to help children make connections between whole-number multiplication and their notion of a fraction. Illustrates an approach to constructing fraction concepts that builds on children's whole-number knowledge using specially designed computer tools. (KHR)

States that thinking about numerical procedures starts in the elementary grades and continues in successive grades until students can eventually express and reflect on the procedures using algebraic symbolism. Outlines how such thinking can progress to algebraic reasoning. Illustrates how computers can be used to promote this progression through…

Describes how third grade students worked together to investigate relationships between fractions and percents using a spreadsheet tool. Highlights a dynamic classroom environment in which students and teachers work together as a community to learn and do mathematics. (ASK)