This paper explores children's efforts to make sense of graphs by analyzing two students' use of a computer-based motion detector. The analysis focuses on the students' growing understanding of the motion detector which enables them to plan their movements in order to create graphs and interpret them in terms of kinesthetic actions. Students…

Explores change in three mathematics environments by presenting three episodes of an activity in which students study patterns of change through tables and graphs and are asked to make a trip in three different environments that include Cuisenaire rods and meter sticks, tables of numbers on paper, and Trips software. (ASK)