Graph technologies are now widely available in K-12 science and mathematics classrooms.
These technologies have the potential to impact the learning of science and mathematics …

Teachers should possess a robust knowledge of graph interpretation in a world that requires
increasingly scientific citizens. This study aimed to investigate teachers' knowledge of …

This survey design study was designed to test whether the graph skills and affective states of
middle school students about graphs differ by their gender, grade level, and graph types …

This study investigated the graphing skills and some affective states of middle school
students about graphs by their gender, grade level, and the common graph types used in …

This study aims to determine the graphical literacy levels of middle school mathematics
teachers. The participants of the study consisted of 33 middle school mathematics teachers …

An important goal in school algebra is to help students notice the covariational nature of
functional relationships, how the values of variables change in relation to each other. This …

This study examines in-service mathematics teachers' problems on linear relationships that
they posed in a semi-structured problem posing situation with a group and their ideas about …

Several decades of research suggesting differences in test performance across paper-
based and computer-based assessments have been largely ameliorated through attention …

Graphing is a core STEM skill and especially important with the renewed emphasis on
teaching science through authentic science practices. Yet there is a lack of research on …

This paper shows the results of an experiment applied to 170 students from two Chilean
universities who solve a task about reading a graph of an affine function in an online …